{"product_id":"1-1-2-lf909m1-qt-fs","title":"1 1\/2 LF909M1-QT-FS","description":"\u003cp\u003eThis 1 1\/2 inch \u003cstrong\u003eLead Free\u003c\/strong\u003e reduced pressure zone backflow preventer assembly protects potable water supplies from hazardous materials caused by backsiphonage or backpressure. It is ideal for continuous pressure piping applications and cross-connections identified as health hazards.\u003c\/p\u003e\u003cp\u003eIts exclusive design features a patented air-in and water-out principle, providing high-capacity relief valve discharge during emergency conditions when both check valves are fouled. The integrated flood sensor with SentryPlus Alert® technology detects excessive water discharges from the relief valve, helping prevent costly damage. An add-on connection kit (sold separately) is required to activate the sensor's alert features, which can integrate with BMS, cellular communication, or the Nexa® platform via Wi-Fi.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFeatures a \u003cstrong\u003emodular, compact design\u003c\/strong\u003e for easy installation\u003c\/li\u003e\n\u003cli\u003eCan be installed \u003cstrong\u003ehorizontally or vertically\u003c\/strong\u003e (up or down)\u003c\/li\u003e\n\u003cli\u003eEquipped with \u003cstrong\u003ereplaceable seats\u003c\/strong\u003e and \u003cstrong\u003etop-mounted test cocks\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eRequires \u003cstrong\u003eno special tools\u003c\/strong\u003e for servicing\u003c\/li\u003e\n\u003cli\u003eIncludes \u003cstrong\u003equarter-turn ball valve shutoffs with lever handles\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eConstructed with a \u003cstrong\u003eLead Free cast copper silicon alloy body\u003c\/strong\u003e and Lead Free test cocks\u003c\/li\u003e\n\u003cli\u003eCheck seats are \u003cstrong\u003e909 Celcon®\u003c\/strong\u003e and relief valve seats are \u003cstrong\u003eStainless Steel 909\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eInstallation of a drain line is recommended, and an air gap is necessary when installing a drain line. Without an add-on connection kit, the flood sensor is a passive component and will not communicate with other devices.\u003c\/em\u003e\u003c\/p\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796835737877,"sku":"F391011","price":5195.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/185202.jpg?v=1773071610","url":"https:\/\/www.backflowpreventer.com\/products\/1-1-2-lf909m1-qt-fs","provider":"Water Specialties Company","version":"1.0","type":"link"}