{"product_id":"4-lfc500-dosy-c-fs","title":"4 LFC500-DOSY-C-FS","description":"\u003cp\u003eThis Colt™ 4 inch \u003cstrong\u003eLead Free Reduced Pressure Detector Backflow Preventer Assembly\u003c\/strong\u003e provides protection for potable water systems from contamination by preventing backpressure and backsiphonage. It is specifically designed for health-hazard cross-connections, such as fire sprinkler systems and other service line contaminants.\u003c\/p\u003e\u003cp\u003eThe compact modular design includes a \u003cstrong\u003estainless steel body\u003c\/strong\u003e with a quick access sleeve, \u003cstrong\u003elink check valves\u003c\/strong\u003e, and domestic \u003cstrong\u003eoutside stem and yoke (OSY) resilient seated gate valves\u003c\/strong\u003e. This assembly helps monitor unauthorized water use from fire protection systems and detects potential flooding events.\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 for compliance with installation requirements.\u003c\/li\u003e\n\u003cli\u003eExtremely \u003cstrong\u003ecompact design\u003c\/strong\u003e and \u003cstrong\u003e70% lighter\u003c\/strong\u003e than traditional designs.\u003c\/li\u003e\n\u003cli\u003eHousing and sleeve made from \u003cstrong\u003eType 304 (Schedule 40) stainless steel\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eIncludes a \u003cstrong\u003eflood sensor\u003c\/strong\u003e with \u003cstrong\u003eSentryPlus Alert® technology\u003c\/strong\u003e to detect excessive water discharges from the relief valve.\u003c\/li\u003e\n\u003cli\u003eFlood alert feature is activated by an \u003cstrong\u003eadd-on sensor connection kit\u003c\/strong\u003e to relay alerts for potential flooding.\u003c\/li\u003e\n\u003cli\u003eIntegrates with the \u003cstrong\u003eSensor Control Monitor\u003c\/strong\u003e for maintenance alerts to BAS via RS-485 Modbus or the Nexa® platform through Wi-Fi.\u003c\/li\u003e\n\u003cli\u003eFurnished with a \u003cstrong\u003ecubic feet per minute (CFM) meter\u003c\/strong\u003e to detect underground leaks and unauthorized water use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrip tight shutoff valves\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003ePatented \u003cstrong\u003elink check\u003c\/strong\u003e for lowest pressure loss and drip tight closure against reverse flow.\u003c\/li\u003e\n\u003cli\u003eUnmatched \u003cstrong\u003eease of serviceability\u003c\/strong\u003e with \u003cstrong\u003ereplaceable check disc rubber\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGroove fittings\u003c\/strong\u003e for integral pipeline adjustment.\u003c\/li\u003e\n\u003cli\u003eBottom-mounted \u003cstrong\u003ecorrosive resistant cast stainless steel relief valve\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eNo special tools required for servicing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eNOTICE: An 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 any other device.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cem\u003eNOTICE: Use of the flood sensor does not replace the need to comply with all required instructions, codes, and regulations related to installation, operation, and maintenance of this product, including the need to provide proper drainage in the event of a discharge. Watts® is not responsible for the failure of alerts due to connectivity issues, power outages, or improper installation.\u003c\/em\u003e\u003c\/p\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796650959125,"sku":"F0425243","price":12316.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/177896.jpg?v=1772725753","url":"https:\/\/www.backflowpreventer.com\/products\/4-lfc500-dosy-c-fs","provider":"Water Specialties Company","version":"1.0","type":"link"}