{"product_id":"1-lf919-qt-s-fs","title":"1 LF919-QT-S-FS","description":"\u003cp\u003eThis 1 inch \u003cstrong\u003elead free reduced pressure zone backflow preventer assembly\u003c\/strong\u003e includes a \u003cstrong\u003eflood sensor with SentryPlus Alert® technology\u003c\/strong\u003e to detect water discharges from the relief valve. It is designed to prevent the flow of polluted water from entering the potable water supply due to backsiphonage and\/or backpressure, making it ideal for protection in continuous pressure piping applications and at health hazard cross-connections.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSentryPlus Alert® flood sensor\u003c\/strong\u003e to detect continuous discharge from the relief valve\u003c\/li\u003e\n\u003cli\u003eAdd-on sensor connection kit capability to extend flood monitoring on compatible assemblies\u003c\/li\u003e\n\u003cli\u003eIntegrates with the \u003cstrong\u003eSensor Control Monitor\u003c\/strong\u003e to deliver maintenance alerts to a Building Automation System (BAS) via \u003cstrong\u003eRS-485 Modbus\u003c\/strong\u003e or to the \u003cstrong\u003eNexa platform\u003c\/strong\u003e by \u003cstrong\u003eWi-Fi connectivity\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead-free bronze body construction\u003c\/strong\u003e with \u003cstrong\u003eNPT end connections\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eIncludes a \u003cstrong\u003estrainer\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuarter turn ball valve shutoffs\u003c\/strong\u003e with \u003cstrong\u003etee handles\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTwo \u003cstrong\u003epoppet style check valves\u003c\/strong\u003e with \u003cstrong\u003ereplaceable check seats\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eIntegrated \u003cstrong\u003eair gap fitting\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompact, space-saving design with separate access covers for the check valves and relief valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop-mounted, screwdriver-slotted test cocks\u003c\/strong\u003e for easy testing and use in reduced clearance installations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEZ twist relief valve cover\u003c\/strong\u003e with quarter turn locking joint to capture the spring load during repair to facilitate disassembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottom-mounted relief valve\u003c\/strong\u003e for reduced space requirements\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSensor Control Monitor Integration Details (Connection Kit Sold Separately)\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCollects data from up to three pressure sensors and monitors relief valve discharges\u003c\/li\u003e\n\u003cli\u003eData displayed on the control screen are transmitted through \u003cstrong\u003eRS-485 Modbus to a BAS\u003c\/strong\u003e, or by \u003cstrong\u003eWi-Fi to the Nexa® platform\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAutomatically generates alerts when maintenance or service is needed\u003c\/li\u003e\n\u003cli\u003eFeatures a \u003cstrong\u003ecolor touchscreen graphical user interface\u003c\/strong\u003e, configurable by Setup Wizard or manually through menus\u003c\/li\u003e\n\u003cli\u003eSupports BAS Modbus (RS 485) alerts and data polling as well as Nexa Wi-Fi alerts and data streaming\u003c\/li\u003e\n\u003cli\u003eTwo relay output closures provide medium- and high-level alerts in custom configurations\u003c\/li\u003e\n\u003cli\u003e24 Vdc, 1 A power output available for equipment control\u003c\/li\u003e\n\u003cli\u003eUnit can be mounted on a wall or DIN rail\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003e\u003cstrong\u003eWARNING:\u003c\/strong\u003e Only a \u003cstrong\u003ecertified technician\u003c\/strong\u003e should make the electrical connections to install the Sensor Control Monitor and connect equipment to the unit. Follow all local, state, federal and other governmental requirements, and all building and construction codes and standards.\u003c\/em\u003e\u003c\/p\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796839244053,"sku":"F065379","price":1781.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/185141.jpg?v=1773062586","url":"https:\/\/www.backflowpreventer.com\/products\/1-lf919-qt-s-fs","provider":"Water Specialties Company","version":"1.0","type":"link"}