{"product_id":"watts-lf07s-2-blackflow-preventer","title":"Watts LF07S 2 Lead-Free Dual Check Valve Backflow Preventer, Brass, Union","description":"\u003cp\u003eThe Watts LF07S 2 is a 2\" lead-free dual check valve with Union connections, approved for low health hazard protection. It features a brass body and a silicone seat. Rated to 175 psi. This model is certified lead-free for potable-water installations.\u003c\/p\u003e\u003cp\u003eThis 2\" dual check valve backflow preventer is designed to prevent the reverse flow of polluted water from residential fire sprinkler systems from entering into the potable water supply. It consists of a bronze body, silicone seat disc, union seals and captured stainless steel springs. This valve is easy to maintain and service. The minimum working pressure is 10 psi (69 kPa). The maximum working pressure is 175 psi (12.06 bar).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDurable bronze body\u003c\/li\u003e\n\u003cli\u003eValve offers low pressure drop\u003c\/li\u003e\n\u003cli\u003eInstall horizontally or vertically\u003c\/li\u003e\n\u003cli\u003eCertified to meet ANSI\/ASSE Standard 1024, UL Listed\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 hazard level is this Dual Check approved for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is rated for low health hazard (non-toxic, \"pollutant\") cross-connections only. Where the substance downstream could be a health hazard, codes require a reduced pressure zone (RPZ) assembly instead. The assembly is listed to ASSE 1024.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs this model legal for potable water?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. It is certified lead-free to NSF\/ANSI 372, which is what state plumbing codes require for any device in a drinking-water line.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eCan this device be field tested?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eNo. It has no test cocks and is not a testable assembly, so it cannot be certified by a backflow tester. Where a jurisdiction requires an annually tested device, specify a testable assembly (double check, RPZ, or PVB) instead.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs this listed for fire protection service?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes — it is UL Classified, the listings normally required for a backflow device on a fire sprinkler supply.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eHow does this have to be installed?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is approved for either horizontal or vertical installation, with the flow arrow on the body pointing in the direction of flow.\u003c\/dd\u003e\n\u003c\/dl\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Dual Check\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutlet Size:\u003c\/strong\u003e 2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e Union\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeat \/ Seal Material:\u003c\/strong\u003e Silicone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Pressure (psi):\u003c\/strong\u003e 175\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Domestic Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackflow Protection:\u003c\/strong\u003e Backpressure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Continuous\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 LF07S 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e ASSE-1024, UL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-Free:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssembly Type:\u003c\/strong\u003e Dual Check\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHazard Protection Level:\u003c\/strong\u003e Low Health Hazard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eASSE Standard:\u003c\/strong\u003e ASSE 1024\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSC FCCCHR Approved:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire Protection Listing:\u003c\/strong\u003e UL Classified\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField Testable:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Test Cocks:\u003c\/strong\u003e 0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShutoff Valves:\u003c\/strong\u003e None\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproved Orientation:\u003c\/strong\u003e Horizontal \u0026amp; Vertical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlood Sensor (SentryPlus Alert):\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrainer Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir Gap Fitting Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":31243871387753,"sku":"0061945","price":1206.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/2182f169cf1a51ab74c760c8cc51ee26ef6c5deb.jpg?v=1785978224","url":"https:\/\/citysupplygroup.com\/products\/watts-lf07s-2-blackflow-preventer","provider":"City Supply","version":"1.0","type":"link"}