{"product_id":"8-lf957zrpda-dosy-gpm","title":"8 LF957ZRPDA-DOSY-GPM","description":"\u003cp\u003eThe 8 inch Watts Lead Free Series LF957ZRPDA Reduced Pressure Detector Backflow Preventer Assembly provides critical protection for potable water systems from contamination in accordance with national plumbing codes.\u003c\/p\u003e\u003cp\u003eThis assembly is designed to prevent the reverse flow of non-potable fire protection substances and other contaminants into the potable water supply due to backsiphonage or backpressure, ideal for health hazard cross-connections like fire sprinkler systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Operation\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFeatures a durable \u003cstrong\u003e304 (Schedule 40) stainless steel housing and sleeve\u003c\/strong\u003e with a quick access design for ease of serviceability.\u003c\/li\u003e\n\u003cli\u003eIncludes \u003cstrong\u003etwo independent torsion spring check modules\u003c\/strong\u003e with a \u003cstrong\u003epatented torsion spring check\u003c\/strong\u003e design for lowest pressure loss and \u003cstrong\u003ereversible silicone or EPDM check discs\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eEquipped with \u003cstrong\u003edomestic outside stem and yoke (OSY) resilient seated gate valves\u003c\/strong\u003e for reliable shutoff control.\u003c\/li\u003e\n\u003cli\u003eA \u003cstrong\u003ecorrosive resistant bottom mounted pressure relief valve\u003c\/strong\u003e helps prevent overpressure.\u003c\/li\u003e\n\u003cli\u003eA \u003cstrong\u003egallons per minute (GPM) meter\u003c\/strong\u003e is included in the bypass assembly to detect underground leaks and monitor unauthorized water use.\u003c\/li\u003e\n\u003cli\u003eAn integrated \u003cstrong\u003eflood sensor\u003c\/strong\u003e on the relief valve detects excessive water discharges, providing an alert feature when activated with an add-on sensor connection kit. \u003cem\u003eNote: An add-on connection kit is required to activate the flood sensor. Without the connection kit, the sensor is a passive component and has no communication with other devices.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eDesigned in a \u003cstrong\u003eZ-pattern orientation\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eKey Benefits\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead Free* construction\u003c\/strong\u003e ensures compliance with current installation requirements, containing less than 0.25% lead by weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtremely compact design\u003c\/strong\u003e, approximately \u003cstrong\u003e70% lighter\u003c\/strong\u003e than traditional backflow preventers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove fittings\u003c\/strong\u003e allow for integral pipeline adjustment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo special tools are required for servicing\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796724818197,"sku":"0792425","price":30218.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/184983.jpg?v=1772727749","url":"https:\/\/www.backflowpreventer.com\/products\/8-lf957zrpda-dosy-gpm","provider":"Water Specialties Company","version":"1.0","type":"link"}