{"title":"Heating \u0026 Hydronics","description":null,"products":[{"product_id":"ridgid-36092-5-16-8mm-model-405-408m-inch-and-metric-lever-bender","title":"Watts 1\/2 STMTRPT-1GSW Steam Trap, Brass, Sweat","description":"\u003cp\u003eThe Watts 1\/2 STMTRPT-1GSW is a 1\/2\" brass steam trap. It features a brass body.\u003c\/p\u003e\u003cp\u003eThis 1\/2 inch straight pattern thermostatic steam trap is designed to remove condensate, air and non-condensable gases from heating systems while still sensitive enough to close tightly in the presence of steam. The unit is factory calibrated and tested under live steam to ensure optimal performance. The interior spring-loaded design is designed to make it function independently from the trap body. Recommended for use on low pressure and vacuum heating, convectors, unit ventilators, and radiators.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRugged brass construction\u003c\/li\u003e\n\u003cli\u003eStraightway pattern\u003c\/li\u003e\n\u003cli\u003eFemale x female connections\u003c\/li\u003e\n\u003cli\u003eCopper sweat tailpiece\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for steam service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutlet Size:\u003c\/strong\u003e 1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e Sweat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Steam\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack Quantity:\u003c\/strong\u003e 6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e 1\/2 STMTRPT-1GSW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Steam Trap\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31156166983785,"sku":"0036092","price":268.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/505b83379dd6cf8d80fb0b10fdc8f38e440e8d9a.jpg?v=1786076812"},{"product_id":"watts-eta-15-expansion-tank","title":"Watts ETA-15 3\/4\" Expansion Tank","description":"\u003cp\u003eThe Watts ETA-15 is a 3\/4\" expansion tank with a 7.8 gallon capacity.\u003c\/p\u003e\u003cp\u003eThis 7.8 gallon pressurized expansion tank is designed to absorb the expansion forces and control the pressure in heating and cooling systems. It is an ASME Section VIII fixed bladder type precharged expansion tank. The excess water is contained in the heavy duty butyl bladder preventing tank corrosion and waterlogging problems. Maximum pressure of 150 psi (10 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eASME Section VIII construction\u003c\/li\u003e\n\u003cli\u003eHeavy duty fixed butyl bladder\u003c\/li\u003e\n\u003cli\u003ePrecharged to 12 psi\u003c\/li\u003e\n\u003cli\u003eCarbon steel shell\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 12 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 7.8 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ETA-15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 7.8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245039992937,"sku":"0212000","price":2056.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/84a7ffb32995f9e4330dc1e3d5495c9deccbf256_100abe02-c8a6-4dcf-bb54-817a5c21b89e.jpg?v=1786076272"},{"product_id":"watts-eta-20-expansion-tank","title":"Watts ETA-20 3\/4\" Expansion Tank","description":"\u003cp\u003eThe Watts ETA-20 is a 3\/4\" expansion tank with a 10.9 gallon capacity.\u003c\/p\u003e\u003cp\u003eThis 10.9 gallon pressurized expansion tank is designed to absorb the expansion forces and control the pressure in heating and cooling systems. It is an ASME Section VIII fixed bladder type precharged expansion tank. The excess water is contained in the heavy duty butyl bladder preventing tank corrosion and waterlogging problems. Maximum pressure of 150 psi (10 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eASME Section VIII construction\u003c\/li\u003e\n\u003cli\u003eHeavy duty fixed butyl bladder\u003c\/li\u003e\n\u003cli\u003ePrecharged to 12 psi\u003c\/li\u003e\n\u003cli\u003eCarbon steel shell\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 12 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 10.9 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ETA-20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 10.9\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245040058473,"sku":"0212001","price":2104.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/84a7ffb32995f9e4330dc1e3d5495c9deccbf256.jpg?v=1786076201"},{"product_id":"watts-eta-40-expansion-tank","title":"Watts ETA-40 1\" Expansion Tank","description":"\u003cp\u003eThe Watts ETA-40 is a 1\" expansion tank with a 25 gallon capacity.\u003c\/p\u003e\u003cp\u003eThis 25 gallon pressurized expansion tank is designed to absorb the expansion forces and control the pressure in heating and cooling systems. It is an ASME Section VIII fixed bladder type precharged expansion tank. The excess water is contained in the heavy duty butyl bladder preventing tank corrosion and waterlogging problems. Maximum pressure of 150 psi (10 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eASME Section VIII construction\u003c\/li\u003e\n\u003cli\u003eHeavy duty fixed butyl bladder\u003c\/li\u003e\n\u003cli\u003ePrecharged to 12 psi\u003c\/li\u003e\n\u003cli\u003eCarbon steel shell\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 12 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 25 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ETA-40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 25\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245040091241,"sku":"0212002","price":3252.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/972668604bbb937878ef5b2b5b6842dd7cbed671_4c854a72-fa2b-4141-99eb-f6d535aa2069.jpg?v=1786076297"},{"product_id":"watts-eta-60-expansion-tank","title":"Watts ETA-60 1\" Expansion Tank","description":"\u003cp\u003eThe Watts ETA-60 is a 1\" expansion tank with a 35 gallon capacity.\u003c\/p\u003e\u003cp\u003eThis 35 gallon pressurized expansion tank is designed to absorb the expansion forces and control the pressure in heating and cooling systems. It is an ASME Section VIII fixed bladder type precharged expansion tank. The excess water is contained in the heavy duty butyl bladder preventing tank corrosion and waterlogging problems. Maximum pressure of 150 psi (10 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eASME Section VIII construction\u003c\/li\u003e\n\u003cli\u003eHeavy duty fixed butyl bladder\u003c\/li\u003e\n\u003cli\u003ePrecharged to 12 psi\u003c\/li\u003e\n\u003cli\u003eCarbon steel shell\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 12 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 35 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ETA-60\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 35\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245040124009,"sku":"0212003","price":3746.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/972668604bbb937878ef5b2b5b6842dd7cbed671.jpg?v=1786076292"},{"product_id":"watts-et-ra-50-expansion-tank","title":"Watts ET-RA-50 3\/4\" Expansion Tank","description":"\u003cp\u003eThe Watts ET-RA-50 is a 3\/4\" expansion tank with a 13 gallon capacity. It is rated to 125 psi.\u003c\/p\u003e\u003cp\u003eThis 13 gallon pressurized expansion tank is designed to absorb the expansion forces and control the pressure in heating and cooling systems. It is an ASME Section VIII removable bladder type precharged expansion tank. The excess water is contained in the heavy duty replaceable butyl bladder preventing tank corrosion and waterlogging problems. Maximum pressure is 125 psi (8.5 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eASME Section VIII code construction\u003c\/li\u003e\n\u003cli\u003eHeavy duty removable butyl bladder\u003c\/li\u003e\n\u003cli\u003ePrecharged to 12 psi\u003c\/li\u003e\n\u003cli\u003eCarbon steel shell\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 12 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 13 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Pressure (psi):\u003c\/strong\u003e 125\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ET-RA-50\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 13\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245040255081,"sku":"0212012","price":7240.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/products\/098268913347_132665b4-0cb5-4361-b8ab-5e2c55fefc00.jpg?v=1746841815"},{"product_id":"watts-eta-80-expansion-tank","title":"Watts ETA-80 1\" Expansion Tank","description":"\u003cp\u003eThe Watts ETA-80 is a 1\" expansion tank with a 45 gallon capacity.\u003c\/p\u003e\u003cp\u003eThis 45 gallon pressurized expansion tank is designed to absorb the expansion forces and control the pressure in heating and cooling systems. It is an ASME Section VIII fixed bladder type precharged expansion tank. The excess water is contained in the heavy duty butyl bladder preventing tank corrosion and waterlogging problems. Maximum pressure of 125 psi (8.5 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eASME Section VIII construction\u003c\/li\u003e\n\u003cli\u003eHeavy duty fixed butyl bladder\u003c\/li\u003e\n\u003cli\u003ePrecharged to 12 psi\u003c\/li\u003e\n\u003cli\u003eCarbon steel shell\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 12 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 45 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ETA-80\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 45\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245040353385,"sku":"0212004","price":4835.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/2c5af778925db5803c8928ae6a9969715b925fcb.jpg?v=1786076299"},{"product_id":"watts-eta-100-expansion-tank","title":"Watts ETA-100 Expansion Tank","description":"\u003cp\u003eThe Watts ETA-100 is a 1\" expansion tank with a 60 gallon capacity.\u003c\/p\u003e\u003cp\u003eThis 60 gallon pressurized expansion tank is designed to absorb the expansion forces and control the pressure in heating and cooling systems. It is an ASME Section VIII fixed bladder type precharged expansion tank. The excess water is contained in the heavy duty butyl bladder preventing tank corrosion and waterlogging problems. Maximum pressure of 125 psi (8.5 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eASME Section VIII construction\u003c\/li\u003e\n\u003cli\u003eHeavy duty fixed butyl bladder\u003c\/li\u003e\n\u003cli\u003ePrecharged to 12 psi\u003c\/li\u003e\n\u003cli\u003eCarbon steel shell\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 12 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 60 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ETA-100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 60\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245040549993,"sku":"0212005","price":5065.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/2c5af778925db5803c8928ae6a9969715b925fcb_d227e60f-a541-4a6f-bf38-0e65b78604e0.jpg?v=1786076305"},{"product_id":"watts-eta-120-expansion-tank","title":"Watts ETA-120 1-1\/2\" Expansion Tank","description":"\u003cp\u003eThe Watts ETA-120 is a 1-1\/2\" expansion tank with a 70 gallon capacity.\u003c\/p\u003e\u003cp\u003eThis 70 gallon pressurized expansion tank is designed to absorb the expansion forces and control the pressure in heating and cooling systems. It is an ASME Section VIII fixed bladder type precharged expansion tank. The excess water is contained in the heavy duty butyl bladder preventing tank corrosion and waterlogging problems. Maximum pressure of 125 psi (8.5 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eASME Section VIII construction\u003c\/li\u003e\n\u003cli\u003eHeavy duty fixed butyl bladder\u003c\/li\u003e\n\u003cli\u003ePrecharged to 12 psi\u003c\/li\u003e\n\u003cli\u003eCarbon steel shell\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 12 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 70 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1-1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1-1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ETA-120\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 70\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245040615529,"sku":"0212006","price":6239.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/products\/098268913286.tif_d7a54bec-f88c-4ffe-95ea-19a03a219490.jpg?v=1746841812"},{"product_id":"watts-eta-144-expansion-tank","title":"Watts ETA-144 1-1\/2\" Expansion Tank","description":"\u003cp\u003eThe Watts ETA-144 is a 1-1\/2\" expansion tank with a 80 gallon capacity.\u003c\/p\u003e\u003cp\u003eThis 80 gallon pressurized expansion tank is designed to absorb the expansion forces and control the pressure in heating and cooling systems. It is an ASME Section VIII fixed bladder type precharged expansion tank. The excess water is contained in the heavy duty butyl bladder preventing tank corrosion and waterlogging problems. Maximum pressure of 125 psi (8.5 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eASME Section VIII construction\u003c\/li\u003e\n\u003cli\u003eHeavy duty fixed butyl bladder\u003c\/li\u003e\n\u003cli\u003ePrecharged to 12 psi\u003c\/li\u003e\n\u003cli\u003eCarbon steel shell\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 12 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 80 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1-1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1-1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ETA-144\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 80\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245041533033,"sku":"0212007","price":6699.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/products\/098268913293.tif_3722ad16-eda0-4bc5-b685-a287eac13892.jpg?v=1746841811"},{"product_id":"watts-eta-180-expansion-tank","title":"Watts ETA-180 1-1\/2\" Expansion Tank","description":"\u003cp\u003eThe Watts ETA-180 is a 1-1\/2\" expansion tank with a 90 gallon capacity.\u003c\/p\u003e\u003cp\u003eThis 90 gallon pressurized expansion tank is designed to absorb the expansion forces and control the pressure in heating and cooling systems. It is an ASME Section VIII fixed bladder type precharged expansion tank. The excess water is contained in the heavy duty butyl bladder preventing tank corrosion and waterlogging problems. Maximum pressure of 125 psi (8.5 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eASME Section VIII construction\u003c\/li\u003e\n\u003cli\u003eHeavy duty fixed butyl bladder\u003c\/li\u003e\n\u003cli\u003ePrecharged to 12 psi\u003c\/li\u003e\n\u003cli\u003eCarbon steel shell\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 12 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 90 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1-1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1-1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ETA-180\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 90\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245041598569,"sku":"0212008","price":7694.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/products\/098268913309.tif_6f015469-85b0-4084-9e8b-f81cc2cb4ba6.jpg?v=1746841811"},{"product_id":"watts-et-ra-85-expansion-tank","title":"Watts ET-RA-85 1\" Expansion Tank","description":"\u003cp\u003eThe Watts ET-RA-85 is a 1\" expansion tank with a 23 gallon capacity. It is rated to 125 psi.\u003c\/p\u003e\u003cp\u003eThis 23 gallon pressurized expansion tank is designed to absorb the expansion forces and control the pressure in heating and cooling systems. It is an ASME Section VIII removable bladder type precharged expansion tank. The excess water is contained in the heavy duty replaceable butyl bladder preventing tank corrosion and waterlogging problems. Maximum Pressure is 125 psi (8.5 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eASME Section VIII code construction\u003c\/li\u003e\n\u003cli\u003eHeavy duty removable butyl bladder\u003c\/li\u003e\n\u003cli\u003ePrecharged to 12 psi\u003c\/li\u003e\n\u003cli\u003eCarbon steel shell\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 12 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 23 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Pressure (psi):\u003c\/strong\u003e 125\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ET-RA-85\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 23\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245041827945,"sku":"0212013","price":7428.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/products\/098268913354_6faa88ee-658b-454e-9a6d-fdf308555b27.jpg?v=1746841808"},{"product_id":"watts-et-ra-300-expansion-tank","title":"Watts ET-RA-300 1-1\/2\" Expansion Tank","description":"\u003cp\u003eThe Watts ET-RA-300 is a 1-1\/2\" expansion tank with a 79 gallon capacity. It is rated to 125 psi.\u003c\/p\u003e\u003cp\u003eThis 79 gallon pressurized expansion tank is designed to absorb the expansion forces and control the pressure in heating and cooling systems. It is an ASME Section VIII removable bladder type precharged expansion tank. The excess water is contained in the heavy duty butyl replaceable bladder preventing tank corrosion and waterlogging problems. Maximum pressure is 125 psi (8.5 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eASME Section VIII code construction\u003c\/li\u003e\n\u003cli\u003eHeavy duty removable butyl bladder\u003c\/li\u003e\n\u003cli\u003ePrecharged to 12 psi\u003c\/li\u003e\n\u003cli\u003eCarbon steel shell\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 12 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 79 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1-1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1-1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Pressure (psi):\u003c\/strong\u003e 125\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ET-RA-300\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 79\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245042647145,"sku":"0212016","price":10022.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/c2b2d75d68a53d38399aa75c743ec4089f6cbba1.jpg?v=1786076303"},{"product_id":"watts-et-ra-400-expansion-tank","title":"Watts ET-RA-400 1-1\/2\" Expansion Tank","description":"\u003cp\u003eThe Watts ET-RA-400 is a 1-1\/2\" expansion tank with a 106 gallon capacity. It is rated to 125 psi.\u003c\/p\u003e\u003cp\u003eThis 106 gallon pressurized expansion tank is designed to absorb the expansion forces and control the pressure in heating and cooling systems. It is an ASME Section VIII removable bladder type precharged expansion tank. The excess water is contained in the heavy duty butyl replaceable bladder preventing tank corrosion and waterlogging problems. Maximum pressure is 125 psi (8.5 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eASME Section VIII code construction\u003c\/li\u003e\n\u003cli\u003eHeavy duty removable butyl bladder\u003c\/li\u003e\n\u003cli\u003ePrecharged to 12 psi\u003c\/li\u003e\n\u003cli\u003eCarbon steel shell\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 12 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 106 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1-1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1-1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Pressure (psi):\u003c\/strong\u003e 125\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ET-RA-400\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 106\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245042679913,"sku":"0212017","price":10228.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/products\/098268913392_a6835fa6-7d68-4449-8f4e-2622fb2709a4.jpg?v=1746841804"},{"product_id":"watts-et-ra-500-expansion-tank","title":"Watts ET-RA-500 1-1\/2\" Expansion Tank","description":"\u003cp\u003eThe Watts ET-RA-500 is a 1-1\/2\" expansion tank with a 132 gallon capacity. It is rated to 125 psi.\u003c\/p\u003e\u003cp\u003eThis 132 gallon pressurized expansion tank is designed to absorb the expansion forces and control the pressure in heating and cooling systems. It is an ASME Section VIII removable bladder type precharged expansion tank. The excess water is contained in the heavy duty butyl bladder preventing tank corrosion and waterlogging problems. Maximum pressure is 125 psi (8.5 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eASME Section VIII code construction\u003c\/li\u003e\n\u003cli\u003eHeavy duty removable butyl bladder\u003c\/li\u003e\n\u003cli\u003ePrecharged to 12 psi\u003c\/li\u003e\n\u003cli\u003eCarbon steel shell\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 12 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 132 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1-1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1-1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Pressure (psi):\u003c\/strong\u003e 125\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ET-RA-500\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 132\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245042712681,"sku":"0212018","price":10791.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/products\/098268913408_29eedc8b-e08e-41fb-8b71-7376832afb74.jpg?v=1746841803"},{"product_id":"watts-et-ra-600-expansion-tank","title":"Watts ET-RA-600 1-1\/2\" Expansion Tank","description":"\u003cp\u003eThe Watts ET-RA-600 is a 1-1\/2\" expansion tank with a 158 gallon capacity. It is rated to 125 psi.\u003c\/p\u003e\u003cp\u003eThis 158 gallon pressurized expansion tank is designed to absorb the expansion forces and control the pressure in heating and cooling systems. It is an ASME Section VIII removable bladder type precharged expansion tank. The excess water is contained in the heavy duty butyl replaceable bladder preventing tank corrosion and waterlogging problems. Maximum pressure is 125 psi (8.5 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eASME Section VIII code construction\u003c\/li\u003e\n\u003cli\u003eHeavy duty removable butyl bladder\u003c\/li\u003e\n\u003cli\u003ePrecharged to 12 psi\u003c\/li\u003e\n\u003cli\u003eCarbon steel shell\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 12 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 158 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1-1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1-1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Pressure (psi):\u003c\/strong\u003e 125\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ET-RA-600\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 158\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245042778217,"sku":"0212019","price":15906.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/products\/098268913415_3c9d8c40-0052-47c5-a9cb-89b9c09bc435.jpg?v=1746841802"},{"product_id":"watts-et-ra-800-expansion-tank","title":"Watts ET-RA-800 1-1\/2\" Expansion Tank","description":"\u003cp\u003eThe Watts ET-RA-800 is a 1-1\/2\" expansion tank with a 211 gallon capacity. It is rated to 125 psi.\u003c\/p\u003e\u003cp\u003eThis 211 gallon pressurized expansion tank is designed to absorb the expansion forces and control the pressure in heating and cooling systems. It is an ASME Section VIII removable bladder type precharged expansion tank. The excess water is contained in the heavy duty butyl replaceable bladder preventing tank corrosion and waterlogging problems. Maximum pressure is 125 psi (8.5 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eASME Section VIII code construction\u003c\/li\u003e\n\u003cli\u003eHeavy duty removable butyl bladder\u003c\/li\u003e\n\u003cli\u003ePrecharged to 12 psi\u003c\/li\u003e\n\u003cli\u003eCarbon steel shell\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 12 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 211 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1-1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1-1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Pressure (psi):\u003c\/strong\u003e 125\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ET-RA-800\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 211\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245043007593,"sku":"0212020","price":17578.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/products\/098268913422_e760e036-32ed-4d09-ae4f-e2a51b7276ce.jpg?v=1746841801"},{"product_id":"watts-deta-12-expansion-tank","title":"Watts DETA-12 3\/4\" Expansion Tank, MNPT","description":"\u003cp\u003eThe Watts DETA-12 is a 3\/4\" expansion tank with a 5.0 gallon capacity.\u003c\/p\u003e\u003cp\u003eThis potable water expansion tank is used on gas, oil, electric, indirect-fired, commercial water heater and hot water storage tank applications to absorb the increased volume of water created by thermal expansion. It also maintains balanced pressure throughout the water supply system by keeping system pressure below the T\u0026amp;P relief valve setting. This carbon steel tank with field-adjustable air charge is built with ASME Section VIII construction, tank volume 5.0 gallons, pre-charged to 40 psi, has fixed FDA-approved butyl rubber diaphragm, and 3\/4 inch stainless steel male NPT inlet connection and a 0.302-32 inch charging valve connection (standard tire valve) to facilitate on-site charging of the tank to meet system requirements. An expansion bladder prevents air-to-water contact in the tank ensuring a long system life. The maximum pressure rating is 150 psi (10 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeavy duty fixed butyl rubber bladder with bladder monitor system\u003c\/li\u003e\n\u003cli\u003ePre-charged to 40 psi\u003c\/li\u003e\n\u003cli\u003eIn line and free standing models\u003c\/li\u003e\n\u003cli\u003eCan be used with most standard hot water heaters and storage tanks\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes, it is rated for potable water systems.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 40 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 5.0 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e MNPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Gender:\u003c\/strong\u003e Male\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e DETA-12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e FDA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 5.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245043302505,"sku":"0212027","price":1760.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/products\/098268913491.psd_abbc31f1-7c01-4b1a-8300-5f29f50e4f5f.jpg?v=1746841798"},{"product_id":"watts-deta-30-expansion-tank","title":"Watts DETA-30 1\" Expansion Tank, MNPT","description":"\u003cp\u003eThe Watts DETA-30 is a 1\" expansion tank with a 15 gallon capacity.\u003c\/p\u003e\u003cp\u003eThis potable water expansion tank is used on gas, oil, electric, indirect-fired, commercial water heater and hot water storage tank applications to absorb the increased volume of water created by thermal expansion. It also maintains balanced pressure throughout the water supply system by keeping system pressure below the T\u0026amp;P relief valve setting. This carbon steel tank with field-adjustable air charge is built with ASME Section VIII construction, tank volume 15 gallons, pre-charged to 40 psi, has fixed FDA-approved butyl rubber diaphragm, and 1 inch stainless steel male NPT inlet connection and a 0.302-32 inch charging valve connection (standard tire valve) to facilitate on-site charging of the tank to meet system requirements. An expansion bladder prevents air-to-water contact in the tank ensuring a long system life. The maximum pressure rating is 150 psi (10 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeavy duty fixed butyl rubber bladder with bladder monitor system\u003c\/li\u003e\n\u003cli\u003ePre-charged to 40 psi\u003c\/li\u003e\n\u003cli\u003eIn line and free standing models\u003c\/li\u003e\n\u003cli\u003eCan be used with most standard hot water heaters and storage tanks\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes, it is rated for potable water systems.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 40 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 15 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e MNPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Gender:\u003c\/strong\u003e Male\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e DETA-30\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e FDA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245043531881,"sku":"0212029","price":3766.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/b7748531b1588827cebc2465803a2b6b8b8cfcfd.jpg?v=1786076291"},{"product_id":"watts-deta-42-expansion-tank","title":"Watts DETA-42 1\" Expansion Tank, MNPT","description":"\u003cp\u003eThe Watts DETA-42 is a 1\" expansion tank with a 22 gallon capacity.\u003c\/p\u003e\u003cp\u003eThis potable water expansion tank is used on gas, oil, electric, indirect-fired, commercial water heater and hot water storage tank applications to absorb the increased volume of water created by thermal expansion. It also maintains balanced pressure throughout the water supply system by keeping system pressure below the T\u0026amp;P relief valve setting. This carbon steel tank with field-adjustable air charge is built with ASME Section VIII construction, tank volume 22 gallons, pre-charged to 40 psi, has fixed FDA-approved butyl rubber diaphragm, and 1 inch stainless steel male NPT inlet connection and a 0.302-32 inch charging valve connection (standard tire valve) to facilitate on-site charging of the tank to meet system requirements. An expansion bladder prevents air-to-water contact in the tank ensuring a long system life. The maximum pressure rating is 150 psi (10 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeavy duty fixed butyl rubber bladder with bladder monitor system\u003c\/li\u003e\n\u003cli\u003ePre-charged to 40 psi\u003c\/li\u003e\n\u003cli\u003eIn line and free standing models\u003c\/li\u003e\n\u003cli\u003eCan be used with most standard hot water heaters and storage tanks\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes, it is rated for potable water systems.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 40 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 22 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e MNPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Gender:\u003c\/strong\u003e Male\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e DETA-42\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e FDA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 22\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245043630185,"sku":"0212030","price":4133.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/products\/098268913521.psd_2f140272-cd25-4fcf-8d87-2a2fa5de09d7.jpg?v=1746841796"},{"product_id":"watts-deta-60-expansion-tank","title":"Watts DETA-60 1\" Expansion Tank, MNPT","description":"\u003cp\u003eThe Watts DETA-60 is a 1\" expansion tank with a 26 gallon capacity.\u003c\/p\u003e\u003cp\u003eThis potable water expansion tank is used on gas, oil, electric, indirect-fired, commercial water heater and hot water storage tank applications to absorb the increased volume of water created by thermal expansion. It also maintains balanced pressure throughout the water supply system by keeping system pressure below the T\u0026amp;P relief valve setting. This carbon steel tank with field-adjustable air charge is built with ASME Section VIII construction, tank volume 26 gallons, pre-charged to 40 psi, has fixed FDA-approved butyl rubber diaphragm, and 3\/4 inch stainless steel male NPT inlet connection and a 0.302-32 inch charging valve connection (standard tire valve) to facilitate on-site charging of the tank to meet system requirements. An expansion bladder prevents air-to-water contact in the tank ensuring a long system life. The maximum pressure rating is 150 psi (10 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeavy duty fixed butyl rubber bladder with bladder monitor system\u003c\/li\u003e\n\u003cli\u003ePre-charged to 40 psi\u003c\/li\u003e\n\u003cli\u003eIn line and free standing models\u003c\/li\u003e\n\u003cli\u003eCan be used with most standard hot water heaters and storage tanks\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes, it is rated for potable water systems.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 40 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 26 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e MNPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Gender:\u003c\/strong\u003e Male\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e DETA-60\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e FDA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 26\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245044482153,"sku":"0212031","price":4463.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/products\/098268913538.psd_6f56a7ba-7913-4834-bd92-e97fde14b958.jpg?v=1746841795"},{"product_id":"watts-deta-80-expansion-tank","title":"Watts DETA-80 1\" Expansion Tank, MNPT","description":"\u003cp\u003eThe Watts DETA-80 is a 1\" expansion tank with a 35 gallon capacity.\u003c\/p\u003e\u003cp\u003eThis potable water expansion tank is used on gas, oil, electric, indirect-fired, commercial water heater and hot water storage tank applications to absorb the increased volume of water created by thermal expansion. It also maintains balanced pressure throughout the water supply system by keeping system pressure below the T\u0026amp;P relief valve setting. This carbon steel tank with field-adjustable air charge is built with ASME Section VIII construction, tank volume 35 gallons, pre-charged to 40 psi, has fixed FDA-approved butyl rubber diaphragm, and 1 inch stainless steel male NPT inlet connection and a 0.302-32 inch charging valve connection (standard tire valve) to facilitate on-site charging of the tank to meet system requirements. An expansion bladder prevents air-to-water contact in the tank ensuring a long system life. The maximum pressure rating is 150 psi (10 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeavy duty fixed butyl rubber bladder with bladder monitor system\u003c\/li\u003e\n\u003cli\u003ePre-charged to 40 psi\u003c\/li\u003e\n\u003cli\u003eIn line and free standing models\u003c\/li\u003e\n\u003cli\u003eCan be used with most standard hot water heaters and storage tanks\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes, it is rated for potable water systems.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 40 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 35 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e MNPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Gender:\u003c\/strong\u003e Male\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e DETA-80\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e FDA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 35\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245044580457,"sku":"0212032","price":4776.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/products\/098268913545.psd_414ad5ae-1ba2-4f4f-b872-0a042bc27f0f.jpg?v=1746841794"},{"product_id":"watts-deta-100-expansion-tank","title":"Watts DETA-100 Expansion Tank, MNPT","description":"\u003cp\u003eThe Watts DETA-100 is a 1\" expansion tank with a 45 gallon capacity.\u003c\/p\u003e\u003cp\u003eThis potable water expansion tank is used on gas, oil, electric, indirect-fired, commercial water heater and hot water storage tank applications to absorb the increased volume of water created by thermal expansion. It also maintains balanced pressure throughout the water supply system by keeping system pressure below the T\u0026amp;P relief valve setting. This carbon steel tank with field-adjustable air charge is built with ASME Section VIII construction, tank volume 45 gallons, pre-charged to 40 psi, has fixed FDA-approved butyl rubber diaphragm, and 1 inch stainless steel male NPT inlet connection and a 0.302-32 inch charging valve connection (standard tire valve) to facilitate on-site charging of the tank to meet system requirements. An expansion bladder prevents air-to-water contact in the tank ensuring a long system life. The maximum pressure rating is 150 psi (10 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeavy duty fixed butyl rubber bladder with bladder monitor system\u003c\/li\u003e\n\u003cli\u003ePre-charged to 40 psi\u003c\/li\u003e\n\u003cli\u003eIn line and free standing models\u003c\/li\u003e\n\u003cli\u003eCan be used with most standard hot water heaters and storage tanks\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes, it is rated for potable water systems.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 40 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 45 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e MNPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Gender:\u003c\/strong\u003e Male\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e DETA-100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e FDA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 45\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245044678761,"sku":"0212033","price":5583.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/2f081f1cfa9cbe575dd31d04ad4f5ca1d2a53f52_71102c07-c7f1-43de-8ba0-9f52cc09fe3c.jpg?v=1786076210"},{"product_id":"watts-deta-125-expansion-tank","title":"Watts DETA-125 Expansion Tank, MNPT","description":"\u003cp\u003eThe Watts DETA-125 is a 1\" expansion tank with a 60 gallon capacity.\u003c\/p\u003e\u003cp\u003eThis potable water expansion tank is used on gas, oil, electric, indirect-fired, commercial water heater and hot water storage tank applications to absorb the increased volume of water created by thermal expansion. It also maintains balanced pressure throughout the water supply system by keeping system pressure below the T\u0026amp;P relief valve setting. This carbon steel tank with field-adjustable air charge is built with ASME Section VIII construction, tank volume 60 gallons, pre-charged to 40 psi, has fixed FDA-approved butyl rubber diaphragm, and 1 inch stainless steel male NPT inlet connection and a 0.302-32 inch charging valve connection (standard tire valve) to facilitate on-site charging of the tank to meet system requirements. An expansion bladder prevents air-to-water contact in the tank ensuring a long system life. The maximum pressure rating is 150 psi (10 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeavy duty fixed butyl rubber bladder with bladder monitor system\u003c\/li\u003e\n\u003cli\u003ePre-charged to 40 psi\u003c\/li\u003e\n\u003cli\u003eIn line and free standing models\u003c\/li\u003e\n\u003cli\u003eCan be used with most standard hot water heaters and storage tanks\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes, it is rated for potable water systems.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 40 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 60 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e MNPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Gender:\u003c\/strong\u003e Male\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e DETA-125\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e FDA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 60\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245044842601,"sku":"0212034","price":5955.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/2f081f1cfa9cbe575dd31d04ad4f5ca1d2a53f52.jpg?v=1786076208"},{"product_id":"watts-deta-160-expansion-tank","title":"Watts DETA-160 1-1\/2\" Expansion Tank, MNPT","description":"\u003cp\u003eThe Watts DETA-160 is a 1-1\/2\" expansion tank with a 70 gallon capacity.\u003c\/p\u003e\u003cp\u003eThis potable water expansion tank is used on gas, oil, electric, indirect-fired, commercial water heater and hot water storage tank applications to absorb the increased volume of water created by thermal expansion. It also maintains balanced pressure throughout the water supply system by keeping system pressure below the T\u0026amp;P relief valve setting. This carbon steel tank with field-adjustable air charge is built with ASME Section VIII construction, tank volume 70 gallons, pre-charged to 40 psi, has fixed FDA-approved butyl rubber diaphragm, and 1-1\/2 inch stainless steel male NPT inlet connection and a 0.302-32 inch charging valve connection (standard tire valve) to facilitate on-site charging of the tank to meet system requirements. An expansion bladder prevents air-to-water contact in the tank ensuring a long system life. The maximum pressure rating is 150 psi (10 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeavy duty fixed butyl rubber bladder with bladder monitor system\u003c\/li\u003e\n\u003cli\u003ePre-charged to 40 psi\u003c\/li\u003e\n\u003cli\u003eIn line and free standing models\u003c\/li\u003e\n\u003cli\u003eCan be used with most standard hot water heaters and storage tanks\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes, it is rated for potable water systems.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 40 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 70 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1-1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1-1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e MNPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Gender:\u003c\/strong\u003e Male\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e DETA-160\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e FDA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 70\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245044940905,"sku":"0212035","price":6792.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/4cf084581e49c1c8c84d3af4086d2aec5db9853f.jpg?v=1786076285"},{"product_id":"watts-deta-180-expansion-tank","title":"Watts DETA-180 1-1\/2\" Expansion Tank, MNPT","description":"\u003cp\u003eThe Watts DETA-180 is a 1-1\/2\" expansion tank with a 80 gallon capacity.\u003c\/p\u003e\u003cp\u003eThis potable water expansion tank is used on gas, oil, electric, indirect-fired, commercial water heater and hot water storage tank applications to absorb the increased volume of water created by thermal expansion. It also maintains balanced pressure throughout the water supply system by keeping system pressure below the T\u0026amp;P relief valve setting. This carbon steel tank with field-adjustable air charge is built with ASME Section VIII construction, tank volume 80 gallons, pre-charged to 40 psi, has fixed FDA-approved butyl rubber diaphragm, and 1-1\/2 inch stainless steel male NPT inlet connection and a 0.302-32 inch charging valve connection (standard tire valve) to facilitate on-site charging of the tank to meet system requirements. An expansion bladder prevents air-to-water contact in the tank ensuring a long system life. The maximum pressure rating is 150 psi (10 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeavy duty fixed butyl rubber bladder with bladder monitor system\u003c\/li\u003e\n\u003cli\u003ePre-charged to 40 psi\u003c\/li\u003e\n\u003cli\u003eIn line and free standing models\u003c\/li\u003e\n\u003cli\u003eCan be used with most standard hot water heaters and storage tanks\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes, it is rated for potable water systems.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 40 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 80 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1-1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1-1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e MNPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Gender:\u003c\/strong\u003e Male\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e DETA-180\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e FDA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 80\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245045071977,"sku":"0212036","price":7824.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/4cf084581e49c1c8c84d3af4086d2aec5db9853f_ec8f0ca0-0e36-47ae-905a-106e2659ece8.jpg?v=1786076295"},{"product_id":"watts-deta-210-expansion-tank","title":"Watts DETA-210 1-1\/2\" Expansion Tank, MNPT","description":"\u003cp\u003eThe Watts DETA-210 is a 1-1\/2\" expansion tank with a 90 gallon capacity.\u003c\/p\u003e\u003cp\u003eThis potable water expansion tank is used on gas, oil, electric, indirect-fired, commercial water heater and hot water storage tank applications to absorb the increased volume of water created by thermal expansion. It also maintains balanced pressure throughout the water supply system by keeping system pressure below the T\u0026amp;P relief valve setting. This carbon steel tank with field-adjustable air charge is built with ASME Section VIII construction, tank volume 90 gallons, pre-charged to 40 psi, has fixed FDA-approved butyl rubber diaphragm, and 1-1\/2 inch stainless steel male NPT inlet connection and a 0.302-32 inch charging valve connection (standard tire valve) to facilitate on-site charging of the tank to meet system requirements. An expansion bladder prevents air-to-water contact in the tank ensuring a long system life. The maximum pressure rating is 150 psi (10 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeavy duty fixed butyl rubber bladder with bladder monitor system\u003c\/li\u003e\n\u003cli\u003ePre-charged to 40 psi\u003c\/li\u003e\n\u003cli\u003eIn line and free standing models\u003c\/li\u003e\n\u003cli\u003eCan be used with most standard hot water heaters and storage tanks\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes, it is rated for potable water systems.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 40 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 90 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1-1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1-1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e MNPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Gender:\u003c\/strong\u003e Male\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e DETA-210\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e FDA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 90\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245045170281,"sku":"0212037","price":8610.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/4cf084581e49c1c8c84d3af4086d2aec5db9853f_a3f5c42c-2d0e-4d80-a375-378571c1145a.jpg?v=1786076310"},{"product_id":"watts-etx-60-asf-1-1-4-expansion-tank","title":"Watts ETX-60-ASF 1 1\/4 1\/2\" Expansion Tank","description":"\u003cp\u003eThe Watts ETX-60-ASF 1 1\/4 is a 1\/2\" expansion tank with a 6.0 gallon capacity.\u003c\/p\u003e\u003cp\u003eThis combination boiler trim-out package is designed for use on commercial and residential closed loop hydronic heating systems. It consists of an expansion tank, model ETX-60, 1 1\/4 inch cast iron air separator, and a 1\/8 inch automatic air vent valve, model FV4-M1. This package provides an economical solution for buying boiler components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFor closed loop hydronic heating systems\u003c\/li\u003e\n\u003cli\u003e6.0 gallon expansion tank\u003c\/li\u003e\n\u003cli\u003eAS air separator\u003c\/li\u003e\n\u003cli\u003eFloat vent valve\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 6.0 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for hydronic heating service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydronic Heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Taiwan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ETX-60-ASF 1 1\/4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 6.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245045235817,"sku":"0235091","price":318.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/4dfdafd9fcf9da9ce9f2808a703bed285ed40e66.jpg?v=1786076257"},{"product_id":"watts-etx-15-asf-1-expansion-tank","title":"Watts ETX-15-ASF 1 1\/2\" Expansion Tank","description":"\u003cp\u003eThe Watts ETX-15-ASF 1 is a 1\/2\" expansion tank with a 2.1 gallon capacity.\u003c\/p\u003e\u003cp\u003eThis combination boiler trim-out package is designed for use on commercial and residential closed loop hydronic heating systems. It consists of an expansion tank, model ETX-15, 1 inch cast iron air separator, and a 1\/8 inch automatic air vent valve, model FV4-M1. This package provides an economical solution for buying boiler components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFor closed loop hydronic heating systems\u003c\/li\u003e\n\u003cli\u003e2.1 gallon expansion tank\u003c\/li\u003e\n\u003cli\u003eAS air separator\u003c\/li\u003e\n\u003cli\u003eFloat vent valve\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 2.1 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for hydronic heating service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydronic Heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Taiwan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ETX-15-ASF 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 2.1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245045366889,"sku":"0235086","price":270.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/4dfdafd9fcf9da9ce9f2808a703bed285ed40e66_1fdcbf2c-47fd-4c70-9649-83dc85460f48.jpg?v=1786076280"},{"product_id":"watts-etx-30-asf-1-expansion-tank","title":"Watts ETX-30-ASF 1 1\/2\" Expansion Tank","description":"\u003cp\u003eThe Watts ETX-30-ASF 1 is a 1\/2\" expansion tank with a 4.5 gallon capacity.\u003c\/p\u003e\u003cp\u003eThis combination boiler trim-out package is designed for use on commercial and residential closed loop hydronic heating systems. It consists of an expansion tank, model ETX-30, 1 inch cast iron air separator, and a 1\/8 inch automatic air vent valve, model FV4-M1. This package provides an economical solution for buying boiler components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFor closed loop hydronic heating systems\u003c\/li\u003e\n\u003cli\u003e4.5 gallon expansion tank\u003c\/li\u003e\n\u003cli\u003eAS air separator\u003c\/li\u003e\n\u003cli\u003eFloat vent valve\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 4.5 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for hydronic heating service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydronic Heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Taiwan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ETX-30-ASF 1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 4.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245045760105,"sku":"0235087","price":294.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/4dfdafd9fcf9da9ce9f2808a703bed285ed40e66_a5f77a76-c9d7-467c-8618-9e4ad51bd8f4.jpg?v=1786076276"},{"product_id":"watts-etx-15-asf-1-1-4-expansion-tank","title":"Watts ETX-15-ASF 1 1\/4 1\/2\" Expansion Tank","description":"\u003cp\u003eThe Watts ETX-15-ASF 1 1\/4 is a 1\/2\" expansion tank with a 2.1 gallon capacity.\u003c\/p\u003e\u003cp\u003eThis combination boiler trim-out package is designed for use on commercial and residential closed loop hydronic heating systems. It consists of an expansion tank, model ETX-15, 1 1\/4 inch cast iron air separator, and a 1\/8 inch automatic air vent valve, model FV4-M1. This package provides an economical solution for buying boiler components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFor closed loop hydronic heating systems\u003c\/li\u003e\n\u003cli\u003e2.1 gallon expansion tank\u003c\/li\u003e\n\u003cli\u003eAS air separator\u003c\/li\u003e\n\u003cli\u003eFloat vent valve\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 2.1 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for hydronic heating service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydronic Heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Taiwan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ETX-15-ASF 1 1\/4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 2.1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245048217705,"sku":"0235089","price":270.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/4dfdafd9fcf9da9ce9f2808a703bed285ed40e66_479d1a3e-53fe-46c7-9dd8-a3afc475a8c3.jpg?v=1786076314"},{"product_id":"watts-etx-30-asf-1-1-4-expansion-tank","title":"Watts ETX-30-ASF 1 1\/4 1\/2\" Expansion Tank","description":"\u003cp\u003eThe Watts ETX-30-ASF 1 1\/4 is a 1\/2\" expansion tank with a 4.5 gallon capacity.\u003c\/p\u003e\u003cp\u003eThis combination boiler trim-out package is designed for use on commercial and residential closed loop hydronic heating systems. It consists of an expansion tank, model ETX-30, 1 1\/4 inch cast iron air separator, and a 1\/8 inch automatic air vent valve, model FV4-M1. This package provides an economical solution for buying boiler components.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFor closed loop hydronic heating systems\u003c\/li\u003e\n\u003cli\u003e4.5 gallon expansion tank\u003c\/li\u003e\n\u003cli\u003eAS air separator\u003c\/li\u003e\n\u003cli\u003eFloat vent valve\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 4.5 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for hydronic heating service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydronic Heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Taiwan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ETX-30-ASF 1 1\/4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 4.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245048479849,"sku":"0235090","price":289.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/4dfdafd9fcf9da9ce9f2808a703bed285ed40e66_fbef3535-8603-4b68-ae2d-a05f947a6099.jpg?v=1786076281"},{"product_id":"watts-deta-5-expansion-tank","title":"Watts DETA-5 3\/4\" Expansion Tank, MNPT","description":"\u003cp\u003eThe Watts DETA-5 is a 3\/4\" expansion tank with a 3.5 gallon capacity.\u003c\/p\u003e\u003cp\u003eThis potable water expansion tank is used on gas, oil, electric, indirect-fired, commercial water heater and hot water storage tank applications to absorb the increased volume of water created by thermal expansion. It also maintains balanced pressure throughout the water supply system by keeping system pressure below the T\u0026amp;P relief valve setting. This carbon steel tank with field-adjustable air charge is built with ASME Section VIII construction, tank volume 3.5 gallons, pre-charged to 40 psi, has fixed FDA-approved butyl rubber diaphragm, and 3\/4 inch stainless steel male NPT inlet connection and a 0.302-32 inch charging valve connection (standard tire valve) to facilitate on-site charging of the tank to meet system requirements. An expansion bladder prevents air-to-water contact in the tank ensuring a long system life. The maximum pressure rating is 150 psi (10 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeavy duty fixed butyl rubber bladder with bladder monitor system\u003c\/li\u003e\n\u003cli\u003ePre-charged to 40 psi\u003c\/li\u003e\n\u003cli\u003eIn line and free standing models\u003c\/li\u003e\n\u003cli\u003eCan be used with most standard hot water heaters and storage tanks\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes, it is rated for potable water systems.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 40 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 3.5 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e MNPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Gender:\u003c\/strong\u003e Male\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e DETA-5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e FDA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 3.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245049069673,"sku":"0212026","price":1653.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/products\/098268913484.psd_7f61bd11-7b39-484a-bc92-f6fafc3ba1ee.jpg?v=1746841783"},{"product_id":"watts-deta-20-expansion-tank","title":"Watts DETA-20 3\/4\" Expansion Tank, MNPT","description":"\u003cp\u003eThe Watts DETA-20 is a 3\/4\" expansion tank with a 8.0 gallon capacity.\u003c\/p\u003e\u003cp\u003eThis potable water expansion tank is used on gas, oil, electric, indirect-fired, commercial water heater and hot water storage tank applications to absorb the increased volume of water created by thermal expansion. It also maintains balanced pressure throughout the water supply system by keeping system pressure below the T\u0026amp;P relief valve setting. This carbon steel tank with field-adjustable air charge is built with ASME Section VIII construction, tank volume 8.0 gallons, pre-charged to 40 psi, has fixed FDA-approved butyl rubber diaphragm, and 3\/4 inch stainless steel male NPT inlet connection and a 0.302-32 inch charging valve connection (standard tire valve) to facilitate on-site charging of the tank to meet system requirements. An expansion bladder prevents air-to-water contact in the tank ensuring a long system life. The maximum pressure rating is 150 psi (10 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeavy duty fixed butyl rubber bladder with bladder monitor system\u003c\/li\u003e\n\u003cli\u003ePre-charged to 40 psi\u003c\/li\u003e\n\u003cli\u003eIn line and free standing models\u003c\/li\u003e\n\u003cli\u003eCan be used with most standard hot water heaters and storage tanks\u003c\/li\u003e\n\u003cli\u003eField adjustable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes, it is rated for potable water systems.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 40 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 8.0 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e MNPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Gender:\u003c\/strong\u003e Male\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e DETA-20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e FDA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 8.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245049135209,"sku":"0212028","price":2958.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/b7748531b1588827cebc2465803a2b6b8b8cfcfd_8798f04a-705f-4955-ab0e-52dddb14dd13.jpg?v=1786076309"},{"product_id":"watts-etx-60-expansion-tank","title":"Watts ETX-60 1\/2\" Expansion Tank, MNPT","description":"\u003cp\u003eThe Watts ETX-60 is a 1\/2\" expansion tank with a 6.0 gallon capacity. It is rated to 75 psi.\u003c\/p\u003e\u003cp\u003eThis non-potable water expansion tank is designed for use in commercial and residential closed loop hydronic heating system piping to control the thermal expansion of hot water and maintain system pressure below the relief setting of the relief valve. This carbon steel tank is pre-charged at 12 psi, tank volume is 6.0 gallons and features a durable expansion membrane that prevents contact of the water with the air in the tank. This rugged butyl diaphragm minimizes loss of the air change and ensures long and trouble-free life for the system. This tank is made of carbon steel with epoxy finish, mounts to supply piping, 1\/2 inch MNPT system connection and a 0.302-32 inch charging valve connection (standard tire valve) to facilitate on-site charging of the tank to meet system requirements. The maximum working pressure is 75 psi (5.3 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrecharged to 12 psi\u003c\/li\u003e\n\u003cli\u003eRugged flexible butyl diaphragm\u003c\/li\u003e\n\u003cli\u003eInline and free standing models\u003c\/li\u003e\n\u003cli\u003eSteel construction\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 12 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 6.0 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for hydronic heating service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e MNPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Gender:\u003c\/strong\u003e Male\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Pressure (psi):\u003c\/strong\u003e 75\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydronic Heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Taiwan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ETX-60\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 6.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245049233513,"sku":"0066607","price":201.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/4d35d67ada587ce3280382d3fa316c6eac1f8ad7.jpg?v=1786076308"},{"product_id":"watts-plt-5-expansion-tank","title":"Watts PLT-5 3\/4\" Expansion Tank","description":"\u003cp\u003eThe Watts PLT-5 is a 3\/4\" expansion tank with a 2.1 gallon capacity. It is rated to 150 psi.\u003c\/p\u003e\u003cp\u003eThis potable water expansion tank is used on gas, oil, or electric, direct-fired, residential water heater and hot water storage tank applications to absorb the increased volume of water created by thermal expansion. It also maintains balanced pressure throughout the water supply system by keeping system pressure below the T\u0026amp;P relief valve setting. This field-adjustable steel tank is air pre-charged at 20 psi, volume 2.1 gallons, designed with an FDA-approved polypropylene liner and Butyl rubber diaphragm, copper-lined steel, and 3\/4 inch male inlet connection. An expansion membrane prevents air-to-water contact in the tank ensuring a long system life. IAPMO listed and ANSI\/NSF 61 certified. The maximum pressure is 150 psi (10 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrevents over-pressure caused by thermal expansion\u003c\/li\u003e\n\u003cli\u003eAir pre-charge at 20 psi\u003c\/li\u003e\n\u003cli\u003e3\/4\" male connection\u003c\/li\u003e\n\u003cli\u003eButyl rubber diaphragm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes, it is rated for potable water systems.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 20 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 2.1 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Pressure (psi):\u003c\/strong\u003e 150\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Taiwan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e PLT-5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e NSF-61, IAPMO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 2.1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245050445929,"sku":"0067370","price":106.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/5ee7a18b125492fad368e8b8f0c6471af7e9b1c8.jpg?v=1786076283"},{"product_id":"watts-plt-12-expansion-tank","title":"Watts PLT-12 3\/4\" Expansion Tank","description":"\u003cp\u003eThe Watts PLT-12 is a 3\/4\" expansion tank with a 4.5 gallon capacity. It is rated to 150 psi.\u003c\/p\u003e\u003cp\u003eThis potable water expansion tank is used on gas, oil, or electric, direct-fired, residential water heater and hot water storage tank applications to absorb the increased volume of water created by thermal expansion. It also maintains balanced pressure throughout the water supply system by keeping system pressure below the T\u0026amp;P relief valve setting. This field-adjustable steel tank is air pre-charged at 20 psi, volume 4.5 gallons, designed with an FDA-approved polypropylene liner and Butyl rubber diaphragm, copper-lined steel, and 3\/4 inch male inlet connection. An expansion membrane prevents air-to-water contact in the tank ensuring a long system life. IAPMO listed and ANSI\/NSF 61 certified. The maximum pressure is 150 psi (10 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrevents over-pressure caused by thermal expansion\u003c\/li\u003e\n\u003cli\u003eAir pre-charge at 20 psi\u003c\/li\u003e\n\u003cli\u003e3\/4\" male connection\u003c\/li\u003e\n\u003cli\u003eButyl rubber diaphragm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes, it is rated for potable water systems.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 20 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 4.5 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Pressure (psi):\u003c\/strong\u003e 150\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Taiwan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e PLT-12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e NSF-61, IAPMO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 4.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245050544233,"sku":"0067371","price":192.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/7d5387d1f8c810c1fd985ad472af621c6d0a9704.jpg?v=1786076295"},{"product_id":"watts-etx-15-expansion-tank","title":"Watts ETX-15 1\/2\" Expansion Tank, MNPT","description":"\u003cp\u003eThe Watts ETX-15 is a 1\/2\" expansion tank with a 2.1 gallon capacity. It is rated to 75 psi.\u003c\/p\u003e\u003cp\u003eThis non-potable water expansion tank is designed for use in commercial and residential closed loop hydronic heating system piping to control the thermal expansion of hot water and maintain system pressure below the relief setting of the relief valve. This carbon steel tank is pre-charged at 12 psi, tank volume is 2.1 gallons and features a durable expansion membrane that prevents contact of the water with the air in the tank. This rugged butyl diaphragm minimizes loss of the air change and ensures long and trouble-free life for the system. This tank is made of carbon steel with epoxy finish, mounts to supply piping, 1\/2 inch MNPT system connection and a 0.302-32 inch charging valve connection (standard tire valve) to facilitate on-site charging of the tank to meet system requirements. The maximum working pressure is 75 psi (5.3 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrecharged to 12 psi\u003c\/li\u003e\n\u003cli\u003eRugged flexible butyl diaphragm\u003c\/li\u003e\n\u003cli\u003eInline and free standing models\u003c\/li\u003e\n\u003cli\u003eSteel construction\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 12 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 2.1 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for hydronic heating service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e MNPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Gender:\u003c\/strong\u003e Male\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Pressure (psi):\u003c\/strong\u003e 75\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydronic Heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Taiwan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ETX-15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 2.1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245050609769,"sku":"0066605","price":141.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/e6bc2da2e3bf3add2b4aa39d6da91ce875d54efa.jpg?v=1786076269"},{"product_id":"watts-etx-30-expansion-tank","title":"Watts ETX-30 1\/2\" Expansion Tank, MNPT","description":"\u003cp\u003eThe Watts ETX-30 is a 1\/2\" expansion tank with a 4.5 gallon capacity. It is rated to 75 psi.\u003c\/p\u003e\u003cp\u003eThis non-potable water expansion tank is designed for use in commercial and residential closed loop hydronic heating system piping to control the thermal expansion of hot water and maintain system pressure below the relief setting of the relief valve. This carbon steel tank is pre-charged at 12 psi, tank volume is 4.5 gallons and features a durable expansion membrane that prevents contact of the water with the air in the tank. This rugged butyl diaphragm minimizes loss of the air change and ensures long and trouble-free life for the system. This tank is made of carbon steel with epoxy finish, mounts to supply piping, 1\/2 inch MNPT system connection and a 0.302-32 inch charging valve connection (standard tire valve) to facilitate on-site charging of the tank to meet system requirements. The maximum working pressure is 75 psi (5.3 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e4.7 Gallon capacity\u003c\/li\u003e\n\u003cli\u003eControls the thermal expansion of hot water and maintains system pressure\u003c\/li\u003e\n\u003cli\u003eMinimizes loss of the air change and ensures long and trouble-free life for the system\u003c\/li\u003e\n\u003cli\u003eFor use in closed loop hydronic heating system piping\u003c\/li\u003e\n\u003cli\u003eMaximum pressure 60 psi\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 12 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 4.5 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for hydronic heating service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e MNPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Gender:\u003c\/strong\u003e Male\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Pressure (psi):\u003c\/strong\u003e 75\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydronic Heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Taiwan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ETX-30\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 4.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245051494505,"sku":"0066606","price":167.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/f9b5e593ebd27ca6f55db9f5813cc8189802676c.jpg?v=1786076259"},{"product_id":"watts-etx-90-expansion-tank","title":"Watts ETX-90 3\/4\" Expansion Tank, MNPT","description":"\u003cp\u003eThe Watts ETX-90 is a 3\/4\" expansion tank with a 15.0 gallon capacity. It is rated to 75 psi.\u003c\/p\u003e\u003cp\u003eThis non-potable water expansion tank is designed for use in commercial and residential closed loop hydronic heating system piping to control the thermal expansion of hot water and maintain system pressure below the relief setting of the relief valve. This carbon steel tank is pre-charged at 12 psi, tank volume is 15.0 gallons and features a durable expansion membrane that prevents contact of the water with the air in the tank. This rugged butyl diaphragm minimizes loss of the air change and ensures long and trouble-free life for the system. This tank is made of carbon steel with epoxy finish, mounts to supply piping, 3\/4 inch MNPT system connection and a 0.302-32 inch charging valve connection (standard tire valve) to facilitate on-site charging of the tank to meet system requirements. The maximum working pressure is 75 psi (5.3 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrecharged to 12 psi\u003c\/li\u003e\n\u003cli\u003eRugged flexible butyl diaphragm\u003c\/li\u003e\n\u003cli\u003eInline and free standing models\u003c\/li\u003e\n\u003cli\u003eSteel construction\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 12 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 15.0 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for hydronic heating service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e MNPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Gender:\u003c\/strong\u003e Male\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Pressure (psi):\u003c\/strong\u003e 75\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydronic Heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Taiwan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ETX-90\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 15.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245051854953,"sku":"0066608","price":550.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/products\/098268219470.psd_3dd961f8-8638-404b-ba94-f55a7173c472.jpg?v=1746841776"},{"product_id":"watts-etsx-30-expansion-tank","title":"Watts ETSX-30 1\" Expansion Tank, FNPT","description":"\u003cp\u003eThe Watts ETSX-30 is a 1\" expansion tank with a 15.0 gallon capacity. It is rated to 75 psi.\u003c\/p\u003e\u003cp\u003eThis non-potable water expansion tank is designed for use in commercial and residential closed loop hydronic heating system piping to control the thermal expansion of hot water and maintain system pressure below the relief setting of the relief valve. This carbon steel tank is pre-charged at 12 psi, tank volume is 15.0 gallons and features a durable expansion membrane that prevents contact of the water with the air in the tank. This rugged butyl diaphragm minimizes loss of the air change and ensures long and trouble-free life for the system. This tank is made of carbon steel with epoxy finish, free-standing, 1 inch FNPT system connection and a 0.302-32 inch charging valve connection (standard tire valve) to facilitate on-site charging of the tank to meet system requirements. The maximum working pressure is 75 psi (5.3 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrecharged to 12 psi\u003c\/li\u003e\n\u003cli\u003eRugged flexible butyl diaphragm\u003c\/li\u003e\n\u003cli\u003eInline and free standing models\u003c\/li\u003e\n\u003cli\u003eSteel construction\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 12 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 15.0 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for hydronic heating service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e FNPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Gender:\u003c\/strong\u003e Female\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Pressure (psi):\u003c\/strong\u003e 75\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydronic Heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ETSX-30\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 15.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245051920489,"sku":"0066609","price":703.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/products\/098268219487_c074ccbb-edb6-47f2-b594-90b1d5201751.jpg?v=1746841774"},{"product_id":"watts-etsx-40-expansion-tank","title":"Watts ETSX-40 1\" Expansion Tank, FNPT","description":"\u003cp\u003eThe Watts ETSX-40 is a 1\" expansion tank with a 20.0 gallon capacity. It is rated to 75 psi.\u003c\/p\u003e\u003cp\u003eThis non-potable water expansion tank is designed for use in commercial and residential closed loop hydronic heating system piping to control the thermal expansion of hot water and maintain system pressure below the relief setting of the relief valve. This carbon steel tank is pre-charged at 12 psi, tank volume is 20.0 gallons and features a durable expansion membrane that prevents contact of the water with the air in the tank. This rugged butyl diaphragm minimizes loss of the air change and ensures long and trouble-free life for the system. This tank is made of carbon steel with epoxy finish, free-standing, 1 inch FNPT system connection and a 0.302-32 inch charging valve connection (standard tire valve) to facilitate on-site charging of the tank to meet system requirements. The maximum working pressure is 75 psi (5.3 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrecharged to 12 psi\u003c\/li\u003e\n\u003cli\u003eRugged flexible butyl diaphragm\u003c\/li\u003e\n\u003cli\u003eInline and free standing models\u003c\/li\u003e\n\u003cli\u003eSteel construction\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 12 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 20.0 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for hydronic heating service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e FNPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Gender:\u003c\/strong\u003e Female\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Pressure (psi):\u003c\/strong\u003e 75\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydronic Heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ETSX-40\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 20.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245051986025,"sku":"0066610","price":748.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/2bf9c20f846744c904713b7f90e2f5e1f746ff83.jpg?v=1786076264"},{"product_id":"watts-etsx-60-expansion-tank","title":"Watts ETSX-60 1\" Expansion Tank, FNPT","description":"\u003cp\u003eThe Watts ETSX-60 is a 1\" expansion tank with a 33.0 gallon capacity. It is rated to 75 psi.\u003c\/p\u003e\u003cp\u003eThis non-potable water expansion tank is designed for use in commercial and residential closed loop hydronic heating system piping to control the thermal expansion of hot water and maintain system pressure below the relief setting of the relief valve. This carbon steel tank is pre-charged at 12 psi, tank volume is 33.0 gallons and features a durable expansion membrane that prevents contact of the water with the air in the tank. This rugged butyl diaphragm minimizes loss of the air change and ensures long and trouble-free life for the system. This tank is made of carbon steel with epoxy finish, free-standing, 1 inch FNPT system connection and a 0.302-32 inch charging valve connection (standard tire valve) to facilitate on-site charging of the tank to meet system requirements. The maximum working pressure is 75 psi (5.3 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrecharged to 12 psi\u003c\/li\u003e\n\u003cli\u003eRugged flexible butyl diaphragm\u003c\/li\u003e\n\u003cli\u003eInline and free standing models\u003c\/li\u003e\n\u003cli\u003eSteel construction\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 12 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 33.0 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for hydronic heating service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e FNPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Gender:\u003c\/strong\u003e Female\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Pressure (psi):\u003c\/strong\u003e 75\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydronic Heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ETSX-60\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 33.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245052280937,"sku":"0066611","price":945.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/4062b9f0f3af59a068c7d9eb5333f9796c76f4be.jpg?v=1786076279"},{"product_id":"watts-etsx-90-expansion-tank","title":"Watts ETSX-90 1-1\/4\" Expansion Tank, FNPT","description":"\u003cp\u003eThe Watts ETSX-90 is a 1-1\/4\" expansion tank with a 44.0 gallon capacity. It is rated to 75 psi.\u003c\/p\u003e\u003cp\u003eThis non-potable water expansion tank is designed for use in commercial and residential closed loop hydronic heating system piping to control the thermal expansion of hot water and maintain system pressure below the relief setting of the relief valve. This carbon steel tank is pre-charged at 12 psi, tank volume is 44.0 gallons and features a durable expansion membrane that prevents contact of the water with the air in the tank. This rugged butyl diaphragm minimizes loss of the air change and ensures long and trouble-free life for the system. This tank is made of carbon steel with epoxy finish, free-standing, 1 1\/4 inch FNPT system connection and a 0.302-32 inch charging valve connection (standard tire valve) to facilitate on-site charging of the tank to meet system requirements. The maximum working pressure is 75 psi (5.3 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrecharged to 12 psi\u003c\/li\u003e\n\u003cli\u003eRugged flexible butyl diaphragm\u003c\/li\u003e\n\u003cli\u003eInline and free standing models\u003c\/li\u003e\n\u003cli\u003eSteel construction\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 12 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 44.0 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for hydronic heating service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1-1\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1-1\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e FNPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Gender:\u003c\/strong\u003e Female\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Pressure (psi):\u003c\/strong\u003e 75\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydronic Heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ETSX-90\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 44.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245053198441,"sku":"0066612","price":1715.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/products\/098268219562.psd_b5437f2f-cd3c-4085-ae17-462dd82a6f7c.jpg?v=1746841770"},{"product_id":"watts-etsx-110-expansion-tank","title":"Watts ETSX-110 1-1\/4\" Expansion Tank, FNPT","description":"\u003cp\u003eThe Watts ETSX-110 is a 1-1\/4\" expansion tank with a 62.0 gallon capacity. It is rated to 75 psi.\u003c\/p\u003e\u003cp\u003eThis non-potable water expansion tank is designed for use in commercial and residential closed loop hydronic heating system piping to control the thermal expansion of hot water and maintain system pressure below the relief setting of the relief valve. This carbon steel tank is pre-charged at 12 psi, tank volume is 62.0 gallons and features a durable expansion membrane that prevents contact of the water with the air in the tank. This rugged butyl diaphragm minimizes loss of the air change and ensures long and trouble-free life for the system. This tank is made of carbon steel with epoxy finish, free-standing, 1 1\/4 inch FNPT system connection and a 0.302-32 inch charging valve connection (standard tire valve) to facilitate on-site charging of the tank to meet system requirements. The maximum working pressure is 75 psi (5.3 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrecharged to 12 psi\u003c\/li\u003e\n\u003cli\u003eRugged flexible butyl diaphragm\u003c\/li\u003e\n\u003cli\u003eInline and free standing models\u003c\/li\u003e\n\u003cli\u003eSteel construction\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 12 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 62.0 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for hydronic heating service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1-1\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1-1\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e FNPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Gender:\u003c\/strong\u003e Female\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Pressure (psi):\u003c\/strong\u003e 75\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydronic Heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ETSX-110\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 62.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245053296745,"sku":"0066613","price":2003.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/products\/098268219593.psd_c404918d-3fdd-4a4f-9e42-4d5f2ba22db5.jpg?v=1746841769"},{"product_id":"watts-etsx-160-expansion-tank","title":"Watts ETSX-160 1-1\/4\" Expansion Tank, FNPT","description":"\u003cp\u003eThe Watts ETSX-160 is a 1-1\/4\" expansion tank with a 81.0 gallon capacity. It is rated to 75 psi.\u003c\/p\u003e\u003cp\u003eThis non-potable water expansion tank is designed for use in commercial and residential closed loop hydronic heating system piping to control the thermal expansion of hot water and maintain system pressure below the relief setting of the relief valve. This carbon steel tank is pre-charged at 12 psi, tank volume is 81.0 gallons and features a durable expansion membrane that prevents contact of the water with the air in the tank. This rugged butyl diaphragm minimizes loss of the air change and ensures long and trouble-free life for the system. This tank is made of carbon steel with epoxy finish, free-standing, 1 1\/4 inch FNPT system connection and a 0.302-32 inch charging valve connection (standard tire valve) to facilitate on-site charging of the tank to meet system requirements. The maximum working pressure is 75 psi (5.3 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrecharged to 12 psi\u003c\/li\u003e\n\u003cli\u003eRugged flexible butyl diaphragm\u003c\/li\u003e\n\u003cli\u003eInline and free standing models\u003c\/li\u003e\n\u003cli\u003eSteel construction\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. This is a closed-loop hydronic tank and must not be used on potable water.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 12 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 81.0 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for hydronic heating service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1-1\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1-1\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e FNPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Gender:\u003c\/strong\u003e Female\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Pressure (psi):\u003c\/strong\u003e 75\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hydronic Heating\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e ETSX-160\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 81.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245053395049,"sku":"0066614","price":2142.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/04e07153df9307406494e52f3d157a21b0eecc87.jpg?v=1786076312"},{"product_id":"watts-plt-20-expansion-tank","title":"Watts PLT-20 3\/4\" Expansion Tank","description":"\u003cp\u003eThe Watts PLT-20 is a 3\/4\" expansion tank with a 8.5 gallon capacity. It is rated to 150 psi.\u003c\/p\u003e\u003cp\u003eThis potable water expansion tank is used on gas, oil, or electric, direct-fired, residential water heater and hot water storage tank applications to absorb the increased volume of water created by thermal expansion. It also maintains balanced pressure throughout the water supply system by keeping system pressure below the T\u0026amp;P relief valve setting. This field-adjustable steel tank is air pre-charged at 20 psi, volume 8.5 gallons, designed with an FDA-approved polypropylene liner and Butyl rubber diaphragm, copper-lined steel, and 3\/4 inch male inlet connection. An expansion membrane prevents air-to-water contact in the tank ensuring a long system life. IAPMO listed and ANSI\/NSF 61 certified. The maximum pressure is 150 psi (10 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrevents over-pressure caused by thermal expansion\u003c\/li\u003e\n\u003cli\u003eAir pre-charge at 20 psi\u003c\/li\u003e\n\u003cli\u003e3\/4\" male connection\u003c\/li\u003e\n\u003cli\u003eButyl rubber diaphragm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes, it is rated for potable water systems.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 20 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 8.5 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 3\/4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Pressure (psi):\u003c\/strong\u003e 150\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Taiwan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e PLT-20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e NSF-61, IAPMO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 8.5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245064732777,"sku":"0067372","price":493.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/2f430350ab2b0035b8a83b208e47dfef8655ac9d.jpg?v=1786076197"},{"product_id":"watts-plt-35-expansion-tank","title":"Watts PLT-35 1\" Expansion Tank","description":"\u003cp\u003eThe Watts PLT-35 is a 1\" expansion tank with a 14.0 gallon capacity. It is rated to 150 psi.\u003c\/p\u003e\u003cp\u003eThis potable water expansion tank is used on gas, oil, or electric, direct-fired, residential water heater and hot water storage tank applications to absorb the increased volume of water created by thermal expansion. It also maintains balanced pressure throughout the water supply system by keeping system pressure below the T\u0026amp;P relief valve setting. This field-adjustable steel tank is air pre-charged at 20 psi, volume 14.0 gallons, designed with an FDA-approved polypropylene liner and Butyl rubber diaphragm, copper-lined steel, and 1 inch female inlet connection. An expansion membrane prevents air-to-water contact in the tank ensuring a long system life. ANSI\/NSF 61 certified. The maximum pressure is 150 psi (10 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrevents over-pressure caused by thermal expansion\u003c\/li\u003e\n\u003cli\u003eAir pre-charge at 20 psi\u003c\/li\u003e\n\u003cli\u003e1\" female connection\u003c\/li\u003e\n\u003cli\u003eButyl rubber diaphragm\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it rated for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes, it is rated for potable water systems.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is the factory pre-charge?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt ships pre-charged to 20 psi. Match this to system fill pressure or the tank cannot accept expansion.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat size is the tank?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt holds 14.0 gallons.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 1\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Pressure (psi):\u003c\/strong\u003e 150\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e PLT-35\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e NSF-61, IAPMO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Expansion Tank\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTank Volume (gal):\u003c\/strong\u003e 14.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Charge Pressure (psi):\u003c\/strong\u003e 20\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePotable Water Rated:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245064929385,"sku":"0067373","price":607.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/75254e5227157904a3fb9f0a0a444d3035d2f92e.jpg?v=1786076288"},{"product_id":"watts-lfwpcm3-m3-08-manifold","title":"Watts LFWPCM3-M3-08 Lead-Free Manifold","description":"\u003cp\u003eThe Watts LFWPCM3-M3-08 is a manifold with 3 circuits. This model is certified lead-free for potable-water installations.\u003c\/p\u003e\u003cp\u003eThis lead free copper manifold features a 3\/4 inch CF inlet by 3\/4 inch CF outlet and 3, 1\/2 inch crimp fitting branches. It is designed for multiple fixture run connections and is intended to provide a centralized water distribution and control point for the potable water system. Connections are made using the CrimpRing ™ system. It is also useful for isolating fixtures without shutting off service and can be installed either horizontally or vertically, in an accessible location. Hot and cold water supplies each require a separate manifold.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLead free copper trunk\u003c\/li\u003e\n\u003cli\u003eLead free branch fittings\u003c\/li\u003e\n\u003cli\u003eProfessional grade construction\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eHow many circuits does it carry?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt has 3 branch circuits.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e LFWPCM3-M3-08\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CSA-B137.5, CSA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Manifold\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuits \/ Ports:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245083934825,"sku":"0121121","price":153.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/18ef8d93dc8d98b2ec038517d0ec955628f45b0e.jpg?v=1786077078"},{"product_id":"watts-lfwpcm3-m4-08-manifold","title":"Watts LFWPCM3-M4-08 Lead-Free Manifold","description":"\u003cp\u003eThe Watts LFWPCM3-M4-08 is a manifold with 3 circuits. This model is certified lead-free for potable-water installations.\u003c\/p\u003e\u003cp\u003eThis lead free copper manifold features a 3\/4 inch CF inlet by 3\/4 inch CF outlet and 4, 1\/2 inch crimp fitting branches. It is designed for multiple fixture run connections and is intended to provide a centralized water distribution and control point for the potable water system. Connections are made using the CrimpRing ™ system. It is also useful for isolating fixtures without shutting off service and can be installed either horizontally or vertically, in an accessible location. Hot and cold water supplies each require a separate manifold.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLead free copper trunk\u003c\/li\u003e\n\u003cli\u003eLead free branch fittings\u003c\/li\u003e\n\u003cli\u003eProfessional grade construction\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCommon Questions\u003c\/strong\u003e\u003c\/p\u003e\u003cdl\u003e\n\u003cdt\u003e\u003cstrong\u003eHow many circuits does it carry?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt has 3 branch circuits.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat is it designed for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is intended for domestic water service.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e United States\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year Limited\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e LFWPCM3-M4-08\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CSA-B137.5, CSA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Role:\u003c\/strong\u003e Manifold\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCircuits \/ Ports:\u003c\/strong\u003e 3\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31245084360809,"sku":"0121122","price":162.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/products\/098268578584.tif_35be5df5-9437-4cad-8be2-b374693cda59.jpg?v=1746841733"}],"url":"https:\/\/citysupplygroup.com\/collections\/heating-hydronics.oembed?page=2","provider":"City Supply","version":"1.0","type":"link"}