{"product_id":"8-lf957nrpda-osy-lm-fs","title":"8 LF957NRPDA-OSY-LM-FS","description":"\u003cp\u003eThis 8 inch lead free reduced pressure detector backflow preventer assembly protects potable water systems by stopping the reverse flow of liquids due to \u003cstrong\u003ebackpressure\u003c\/strong\u003e or \u003cstrong\u003ebacksiphonage\u003c\/strong\u003e, especially where potential health hazards exist. It features an extremely compact design and is lighter than traditional models, approved for \u003cstrong\u003ehorizontal N pattern installation\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eThe assembly consists of a \u003cstrong\u003e304 stainless steel body\u003c\/strong\u003e with a quick-access sleeve, \u003cstrong\u003etorsion spring check valves\u003c\/strong\u003e, \u003cstrong\u003eoutside stem and yoke (OSY) resilient seated gate valves\u003c\/strong\u003e, test cocks, and a corrosive-resistant bottom-mounted pressure relief valve. It includes a \u003cstrong\u003eflood sensor with SentryPlus Alert® technology\u003c\/strong\u003e to detect excessive water discharges from the relief valve.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFlood Sensor \u0026amp; Connectivity\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe integrated \u003cstrong\u003eflood sensor with SentryPlus Alert® technology\u003c\/strong\u003e detects excessive water discharges from the relief valve.\u003c\/li\u003e\n\u003cli\u003eWhen paired with an \u003cem\u003eadd-on sensor connection kit (sold separately)\u003c\/em\u003e, the sensor is activated to relay alerts for potential flooding events.\u003c\/li\u003e\n\u003cli\u003eConnection kit options enable integration with \u003cstrong\u003eBuilding Automation Systems (BAS) via RS-485 Modbus\u003c\/strong\u003e or the \u003cstrong\u003eNexa® platform through Wi-Fi\u003c\/strong\u003e, as well as \u003cstrong\u003ecellular communication\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNote: An add-on connection kit is required to activate the flood sensor's communication features. Without it, the sensor is a passive component.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead Free* construction\u003c\/strong\u003e ensures compliance with lead-free installation requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtremely compact design\u003c\/strong\u003e is 70% lighter than traditional models.\u003c\/li\u003e\n\u003cli\u003eDurable \u003cstrong\u003e304 (Schedule 40) stainless steel housing \u0026amp; sleeve\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove fittings\u003c\/strong\u003e allow integral pipeline adjustment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented torsion spring check\u003c\/strong\u003e provides the lowest pressure loss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnmatched ease of serviceability\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable check disc rubber\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eUL Classified and FM Approved \u003cstrong\u003eoutside stem and yoke (OSY) resilient seated gate valves\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eBottom-mounted cast stainless steel relief valve.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796774887701,"sku":"F124771","price":30054.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/182303.jpg?v=1772729399","url":"https:\/\/www.backflowpreventer.com\/products\/8-lf957nrpda-osy-lm-fs","provider":"Water Specialties Company","version":"1.0","type":"link"}