{"product_id":"watts-8188368","title":"Watts LF15M2-C-DR Lead-Free PDI Size C Water Hammer Arrestor, NPT","description":"\u003cp\u003eThe Watts LF15M2-C-DR is a lead-free sealed-piston water hammer arrestor with NPT connections. It absorbs the pressure spike a quick-closing valve or appliance creates, protecting piping and fixtures from banging and shock damage. It is PDI size C under PDI Standard WH201, covering 33–60 fixture units. It features a epdm seat. Rated to 150 psi. This model is certified lead-free for potable-water installations.\u003c\/p\u003e\u003cp\u003eThis Watts lead free, pre-charged, PDI size C copper water hammer arrestor features a polypropylene piston, EPDM O-ring seal, and a 1 inch brass NPT threaded connection. It is designed to operate on all domestic and commercial lines up to 150 psi (10.6 bar) working pressure and a temperature range of 33 Degree F to 180 Degree F (0.5 Degree C to 82 Degree C).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1\" NPT Threaded connection\u003c\/li\u003e\n\u003cli\u003ePolypropylene Piston\u003c\/li\u003e\n\u003cli\u003eEPDM O-ring seal\u003c\/li\u003e\n\u003cli\u003ePDI Size C\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 size do I need for my fixtures?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThe LF15M2-C-DR is PDI size C under PDI Standard WH201, rated for 33–60 fixture units. Total the fixture units on the branch you are protecting and choose the letter whose range covers that total — PDI sizes run AA (1–3 fixture units) through F (155–330). Above 60 fixture units on the branch, step up to the next letter.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it ASSE 1010 certified?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. The LF15M2-C-DR is certified to ASSE 1010, the performance standard for water hammer arrestors, and complies with PDI WH201.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs it lead-free \/ potable safe?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. The LF15M2-C-DR is certified lead-free: its wetted surfaces meet the 0.25% weighted-average lead limit of the U.S. Safe Drinking Water Act, so it is approved for potable water in all states.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eDoes it need recharging?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. The LF15M2-C-DR is factory air-charged to 60 psi and then permanently capped and epoxy sealed. The piston cannot become waterlogged, so the unit is not rechargeable in the field and needs no maintenance over its life.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeat \/ Seal Material:\u003c\/strong\u003e EPDM\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\u003ePack Quantity:\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e South Korea\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 LF15M2-C-DR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccessory Type:\u003c\/strong\u003e Water Hammer Arrestor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePDI Size (WH201):\u003c\/strong\u003e C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFixture Units:\u003c\/strong\u003e 33–60\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Style:\u003c\/strong\u003e Straight\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eASSE 1010 Certified:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":54934653600043,"sku":"8188368","price":136.29,"currency_code":"USD","in_stock":false}],"url":"https:\/\/citysupplygroup.com\/products\/watts-8188368","provider":"City Supply","version":"1.0","type":"link"}