{"product_id":"8-lf909m1-dosy-fs","title":"8 LF909M1-DOSY-FS","description":"\u003cp\u003eThis 8 inch \u003cstrong\u003eLead Free Reduced Pressure Zone (RPZ) backflow preventer assembly\u003c\/strong\u003e is designed to prevent the reverse flow of polluted water from entering the potable water supply due to backsiphonage and\/or backpressure. It is ideal for protection in continuous pressure piping applications and at cross-connections identified as health hazards.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFeatures an \u003cstrong\u003eepoxy coated cast iron body\u003c\/strong\u003e, \u003cstrong\u003edomestic outside stem and yoke (OSY) resilient seated gate valves\u003c\/strong\u003e, \u003cstrong\u003ecaptured spring check valves\u003c\/strong\u003e, \u003cstrong\u003ereplaceable seats\u003c\/strong\u003e, top mounted test cocks, and a \u003cstrong\u003efield reversible pressure differential relief valve\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eThe assembly incorporates \u003cstrong\u003eArmorTek® coating technology\u003c\/strong\u003e, a patented 3-part advanced epoxy system, engineered to limit both microbial induced corrosion (MIC) and exposed metal substrate corrosion of internals.\u003c\/li\u003e\n\u003cli\u003eEquipped with an exclusive \u003cstrong\u003erelief valve design\u003c\/strong\u003e utilizing the \"air-in\/water-out\" principle, providing substantially improved discharge performance during emergency conditions of combined backsiphonage and backpressure.\u003c\/li\u003e\n\u003cli\u003eIncludes a \u003cstrong\u003eflood sensor with SentryPlus Alert® technology\u003c\/strong\u003e to detect excessive water discharges from the relief valve. When paired with an add-on connection kit, the sensor is activated to relay alerts for potential flooding events.\u003c\/li\u003e\n\u003cli\u003eFlood sensor connectivity options include \u003cstrong\u003eBMS\u003c\/strong\u003e, \u003cstrong\u003ecellular communication\u003c\/strong\u003e, and the \u003cstrong\u003eSensor Control Monitor\u003c\/strong\u003e which enables integration with BAS via RS-485 Modbus or the Nexa® platform through Wi-Fi.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless steel internal parts\u003c\/strong\u003e and industrial-strength sensing hose ensure durability.\u003c\/li\u003e\n\u003cli\u003eDesigned for ease of maintenance with \u003cstrong\u003ereplaceable seats\u003c\/strong\u003e and no special tools required for servicing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cem\u003e\u003cp\u003eAn add-on connection kit is required to activate the flood sensor's communication features; without it, the sensor is a passive component with no communication to other devices. Always inquire with governing authorities for local installation requirements.\u003c\/p\u003e\u003c\/em\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796772593941,"sku":"88009348","price":50891.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/190761.jpg?v=1781625785","url":"https:\/\/www.backflowpreventer.com\/products\/8-lf909m1-dosy-fs","provider":"Water Specialties Company","version":"1.0","type":"link"}