{"title":"Backflow Devices - Watts - RPZ - Reduced Pressure Zone Assemblies - 1 1\/2\" - 909 Series","description":null,"products":[{"product_id":"watts-1-1-2-lf909m1-qt-hw-hot-water-device","title":"Watts 1 1\/2\" LF909M1-QT-HW Hot Water Device","description":"\u003cp\u003eThe Watts 1 1\/2\" LF909M1-QT-HW Reduced Pressure Zone (RPZ) assembly is designed to prevent the flow of polluted water from entering the potable water supply due to backsiphonage or backpressure, in accordance with national plumbing codes and water authority requirements. This is currently the only device approved for hot water operation.\u003c\/p\u003e\u003cp\u003eKnown for its robust construction, the 909M1-QT-HW features a \u003cstrong\u003eLead Free* bronze body\u003c\/strong\u003e and \u003cstrong\u003ethree covers\u003c\/strong\u003e, utilizing a patented air-in and water-out principle for high capacity relief valve discharge during emergency conditions. Its compact, modular design allows for straightforward maintenance and in-line repairs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHot water applications\u003c\/strong\u003e enabled by \u003cstrong\u003estainless steel check modules\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModular, compact design\u003c\/strong\u003e easing installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable seats\u003c\/strong\u003e for extended service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHorizontal or vertical\u003c\/strong\u003e (up or down) installation on limited sizes only.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuarter-turn ball valve shutoffs\u003c\/strong\u003e with lever handles on inlet and outlet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo special tools\u003c\/strong\u003e required for servicing.\u003c\/li\u003e\n\u003cli\u003eIncludes a \u003cstrong\u003esensor on the relief valve for flood detection\u003c\/strong\u003e, providing notification to facility personnel to prevent costly damage.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eOperation\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eThe exclusive design incorporates an \"air-in\/water-out\" principle, ensuring maximum relief valve discharge even with both checks fouled and simultaneous negative supply and positive backpressure.\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eThe installation of a drain line is recommended. When installing a drain line, an air gap is necessary to prevent water damage due to relief valve discharge.\u003c\/em\u003e\u003c\/p\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796715151637,"sku":"0792034","price":7522.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/180022.jpg?v=1772727528"},{"product_id":"1-5-lf909m1-qt-s-fs","title":"1.5 LF909M1-QT-S-FS","description":"\u003cp\u003eThe 1 1\/2 inch Watts LF909M1 Reduced Pressure Zone backflow preventer assembly protects potable water supplies from hazardous cross-connections by preventing backsiphonage and backpressure.\u003c\/p\u003e\u003cp\u003eThis assembly features a patented air-in\/water-out relief valve design for high capacity discharge during emergency conditions and includes a flood sensor with SentryPlus Alert® technology to detect continuous relief valve discharge.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead Free\u003c\/strong\u003e* construction complies with installation requirements\u003c\/li\u003e\n\u003cli\u003eUnique patented \u003cstrong\u003eair-in\/water-out\u003c\/strong\u003e principle provides maximum relief valve discharge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModular, compact design\u003c\/strong\u003e eases installation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable seats\u003c\/strong\u003e allow for easy maintenance\u003c\/li\u003e\n\u003cli\u003eCan be installed \u003cstrong\u003ehorizontal or vertical\u003c\/strong\u003e without special tools\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuarter-turn ball valve shutoffs\u003c\/strong\u003e with lever handles for easy operation\u003c\/li\u003e\n\u003cli\u003eIntegrated \u003cstrong\u003eflood sensor with SentryPlus Alert® technology\u003c\/strong\u003e detects excessive water discharges\u003c\/li\u003e\n\u003cli\u003eFlood alerts can be activated with an add-on sensor connection kit, compatible with BMS and cellular communication for remote monitoring\u003c\/li\u003e\n\u003cli\u003eIncludes an upstream \u003cstrong\u003ebronze strainer\u003c\/strong\u003e to protect internal components\u003c\/li\u003e\n\u003cli\u003eTop mounted \u003cstrong\u003etest cocks\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eAn add-on connection kit is required to activate the flood sensor. Without the connection kit, the flood sensor is a passive component and will not communicate with other devices. The flood sensor does not replace the need for proper drainage or compliance with installation codes and regulations. Watts is not responsible for alert failures due to connectivity or power issues.\u003c\/em\u003e\u003c\/p\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796774101269,"sku":"F122766","price":5956.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/182262.jpg?v=1772729357"},{"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"},{"product_id":"watts-1-12-lf909m1-qt-s-hw-reduced-pressure-zone-assembly-lead-free-quarter-turn-shutoffs-stainless-steel-check-module-bronze-strainer-35608","title":"Watts® 1 1\/2\" LF909M1-QT-S-HW Reduced Pressure Zone Assembly, Lead-Free, Quarter Turn Shutoffs, Stainless Steel Check Module, Bronze Strainer","description":"","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":50124182814997,"sku":"0122769","price":8448.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/191919.jpg?v=1788377896"},{"product_id":"watts-1-12-lf009m2-qt-reduced-pressure-zone-assembly-lead-free-quarter-turn-shutoff-valves-36636","title":"Watts 1 1\/2\" LF009M2-QT Reduced Pressure Zone Assembly, Lead-Free, Quarter Turn Shutoff Valves","description":"","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":50164306149653,"sku":"0391006","price":2106.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/193570.jpg?v=1789574121"},{"product_id":"watts-1-12-lf909m1-qt-reduced-pressure-zone-assembly-lead-free-quarter-turn-shutoff-valves-36651","title":"Watts 1 1\/2\" LF909M1-QT Reduced Pressure Zone Assembly, Lead-Free, Quarter Turn Shutoff Valves","description":"","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":50164308607253,"sku":"0391011","price":5196.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/193586.jpg?v=1789575289"}],"url":"https:\/\/www.backflowpreventer.com\/collections\/backflow-devices-watts-rpz-reduced-pressure-zone-assemblies-1-1-2-909-series.oembed","provider":"Water Specialties Company","version":"1.0","type":"link"}