{"product_id":"3-lf709-dnrs-iot","title":"3 LF709-DNRS-IOT","description":"\u003cp\u003eThis 3 inch Lead Free Double Check Valve Backflow Preventer Assembly is designed to prevent the reverse flow of polluted water from entering into the potable water system. It is ideal for continuous pressure piping applications and cross-connections identified as non-health hazards.\u003c\/p\u003e\u003cp\u003eThe Watts Series LF709 features a compact, modular design for easy maintenance and in-line repairs. It incorporates advanced pressure-sensing technology and robust corrosion protection.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures \u0026amp; Technology\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLead Free\u003c\/strong\u003e construction ensures less than 0.25% lead content by weight in wetted surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArmorTek®\u003c\/strong\u003e coating technology utilizes a patented three-part advanced epoxy system to resist both microbial-induced corrosion (MIC) and exposed metal substrate corrosion on internal and external iron components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart and Connected\u003c\/strong\u003e technology with integrated pressure sensors at test cocks No. 2, No. 3, and No. 4 measure pressure fluctuations, enabling monitoring and assessment of backflow assembly performance.\u003c\/li\u003e\n\u003cli\u003eRequires an \u003cstrong\u003eadd-on monitoring connection kit\u003c\/strong\u003e (available separately) to activate sensors and transmit data to a Building Management System (BMS\/BAS) via wired serial (RS-485) interface.\u003c\/li\u003e\n\u003cli\u003eFeatures a \u003cstrong\u003emodular check design\u003c\/strong\u003e concept for simplified maintenance and assembly, with replaceable stainless steel seats and captured spring assemblies for safety.\u003c\/li\u003e\n\u003cli\u003eEquipped with domestic \u003cstrong\u003eNon-Rising Stem (NRS) resilient seated gate valves\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eApproved for \u003cstrong\u003evertical flow up installation\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eUse of integrated pressure sensors and monitoring connection kits does not replace the need to comply with all required installation, operation, and maintenance instructions, codes, and regulations. Watts is not responsible for data transmission failures due to power issues.\u003c\/em\u003e\u003c\/p\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796836393237,"sku":"88003394","price":9943.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/185065.jpg?v=1772741903","url":"https:\/\/www.backflowpreventer.com\/products\/3-lf709-dnrs-iot","provider":"Water Specialties Company","version":"1.0","type":"link"}