{"product_id":"3-4000ss-dnrs-fs","title":"3 4000SS-DNRS-FS","description":"\u003cp\u003eThis 3 inch \u003cstrong\u003estainless steel reduced pressure zone backflow preventer assembly\u003c\/strong\u003e is designed to prevent the reverse flow of contaminated water of non-potable quality from being pumped or siphoned into the potable water supply due to backsiphonage and\/or backpressure. It is ideal for protection at \u003cstrong\u003ecross-connections\u003c\/strong\u003e identified as health hazard applications and from other contaminants found at the service line entrance.\u003c\/p\u003e\u003cp\u003eThis compact and short lay length design features a lightweight \u003cstrong\u003e300 Series stainless steel body\u003c\/strong\u003e, domestic \u003cstrong\u003enon-rising stem resilient seated gate valves\u003c\/strong\u003e, spring-loaded \u003cstrong\u003ecam-check valves\u003c\/strong\u003e, a pressure differential relief valve, and test cocks.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFlood Detection\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes a \u003cstrong\u003eSentryPlus Alert® flood sensor\u003c\/strong\u003e with technology to detect excessive water discharges from the relief valve.\u003c\/li\u003e\n\u003cli\u003eWhen paired with an add-on connection kit, the sensor activates to relay alerts for potential flooding events.\u003c\/li\u003e\n\u003cli\u003eConnection kit options include \u003cstrong\u003eBMS\u003c\/strong\u003e, \u003cstrong\u003ecellular communication\u003c\/strong\u003e, and the \u003cstrong\u003eSensor Control Monitor\u003c\/strong\u003e which enables integration with BAS via \u003cstrong\u003eRS-485 Modbus\u003c\/strong\u003e or the \u003cstrong\u003eNexa® platform\u003c\/strong\u003e through \u003cstrong\u003eWi-Fi\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCam-Check Assembly\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufactured with \u003cstrong\u003ethermoplastic construction\u003c\/strong\u003e, stainless steel hinge pins, cam arm, and cam bearing.\u003c\/li\u003e\n\u003cli\u003eFeatures a single \u003cstrong\u003etorsion spring design\u003c\/strong\u003e to minimize pressure drop, providing maximum flow at low pressure drop.\u003c\/li\u003e\n\u003cli\u003eModular design with an \u003cstrong\u003eO-ring seal\u003c\/strong\u003e to the main valve body.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eRelief Valve\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from \u003cstrong\u003estainless steel\u003c\/strong\u003e with a \u003cstrong\u003ebalanced rolling diaphragm\u003c\/strong\u003e to eliminate sliding seals and lower maintenance costs.\u003c\/li\u003e\n\u003cli\u003eDesigned for bottom mounting and supplied with a steel reinforced sensing hose.\u003c\/li\u003e\n\u003cli\u003eEquipped with a sensor on the relief valve for flood detection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eNOTICE: When installing a drain line on the Series 4000SS backflow preventer, use an air gap.\u003c\/em\u003e\u003c\/p\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796656824597,"sku":"F0692727","price":7722.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/178012.jpg?v=1772725865","url":"https:\/\/www.backflowpreventer.com\/products\/3-4000ss-dnrs-fs","provider":"Water Specialties Company","version":"1.0","type":"link"}