{"product_id":"watts-0124742","title":"Watts LF957NRPDA-OSY-CFM 10 Lead-Free RPZ Backflow Preventer, Stainless","description":"\u003cp\u003eThe Watts LF957NRPDA-OSY-CFM 10 is a 10\" lead-free reduced pressure detector assembly (RPDA), approved for high health hazard protection. It features a stainless body and a silicone seat. Rated to 175 psi and 33°F to 110°F. This model is certified lead-free for potable-water installations.\u003c\/p\u003e\u003cp\u003eThis 10 inch lead free reduced pressure detector backflow preventer assembly is designed to prevent the reverse flow of fire protection substances and water of non-potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and or backpressure in accordance with national plumbing codes and water authority requirements. Extremely compact and lighter than traditional designs it is approved for horizontal N pattern installation. It is ideal for protection at cross-connections identified as health hazards such as on fire sprinkler systems and from other contaminants found at the service line entrance. This assembly consists of a stainless steel body with a quick access sleeve, torsion spring check valves, outside stem and yoke resilient seated gate valves, test cocks, corrosive resistant bottom mounted pressure relief valve, and comes furnished with a cubic foot per minute meter to detect underground leaks and unauthorized water use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e304 (Schedule 40) stainless steel housing and sleeve\u003c\/li\u003e\n\u003cli\u003eUL and FM outside stem and yoke resilient seated gate valves\u003c\/li\u003e\n\u003cli\u003eApproved for horizontal N pattern installation\u003c\/li\u003e\n\u003cli\u003eFurnished with a cubic foot per minute meter\u003c\/li\u003e\n\u003cli\u003eIncludes: Test Cocks\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 RPDA approved for?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is rated for high health hazard (toxic) cross-connections, so it may be used on either high or low hazard service. The assembly is listed to ASSE 1047.\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\u003eDoes this assembly have to be tested every year?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. This is a field-testable assembly. Most water authorities require it to be tested and certified by a licensed backflow tester at installation and annually thereafter. It carries USC FCCCHR approval, which many jurisdictions accept as their sole approval list.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eWhat shutoff valves are included?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eIt is supplied with outside screw and yoke (OS\u0026amp;Y) gate valves on the inlet and outlet. OS\u0026amp;Y gates give the visible open\/shut indication that fire-line and many water-authority specs require.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eIs this suitable for a fire sprinkler line?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. Detector assemblies are built for fire sprinkler service: the metered bypass registers the low flows that reveal a leak or an unauthorized tap on the fire line. This model is UL Classified and FM Approved. The bypass meter reads in CFM.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eHow does this have to be installed?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eThis assembly is approved for horizontal N-pattern installation, with the shutoff valves in line with the body. USC approval is orientation-specific, so it must be installed in that position.\u003c\/dd\u003e\n\u003cdt\u003e\u003cstrong\u003eDoes the relief valve need a drain?\u003c\/strong\u003e\u003c\/dt\u003e\n\u003cdd\u003eYes. An RPZ relief valve is designed to discharge, and it can dump a large volume of water, so it must never be installed in a pit or below grade and the discharge must be piped to an adequate drain through an air gap. The air gap fitting is not included with this model and is ordered separately.\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 RPZ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 10\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Size:\u003c\/strong\u003e 10\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutlet Size:\u003c\/strong\u003e 10\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e Stainless\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 Fire Protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackflow Protection:\u003c\/strong\u003e Both\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Continuous\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 LF957NRPDA-OSY-CFM 10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature:\u003c\/strong\u003e 33°F to 110°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e UL, FM, USC\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 RPDA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHazard Protection Level:\u003c\/strong\u003e High Health Hazard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eASSE Standard:\u003c\/strong\u003e ASSE 1047\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSC FCCCHR Approved:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFire Protection Listing:\u003c\/strong\u003e UL Classified;FM Approved\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField Testable:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShutoff Valves:\u003c\/strong\u003e OSY Gate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproved Orientation:\u003c\/strong\u003e N-Pattern\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\u003cli\u003e\n\u003cstrong\u003eBypass Meter:\u003c\/strong\u003e CFM\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Watts","offers":[{"title":"Default Title","offer_id":54935495803179,"sku":"0124742","price":33258.16,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/3168\/9577\/files\/e4b8f70ca2a43f142dc75c16d1d855100ab58ada_b85a9575-2ec2-41f6-b402-5b1adb012782.jpg?v=1785984176","url":"https:\/\/citysupplygroup.com\/products\/watts-0124742","provider":"City Supply","version":"1.0","type":"link"}