{"product_id":"4-4000ss-dosy-fs","title":"4 4000SS-DOSY-FS","description":"\u003cp\u003eThis 4 inch \u003cstrong\u003eAmes Series 4000SS Reduced Pressure Zone (RPZ) backflow preventer assembly\u003c\/strong\u003e is designed to protect potable water supplies from health-hazard cross-connections. It effectively prevents the reverse flow of contaminated water due to backsiphonage or backpressure.\u003c\/p\u003e\u003cp\u003eThis assembly features \u003cstrong\u003eLead Free*\u003c\/strong\u003e construction and includes a \u003cstrong\u003eflood sensor with SentryPlus Alert® technology\u003c\/strong\u003e to detect excessive water discharges from the relief valve, providing an early warning for potential flooding.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless steel construction\u003c\/strong\u003e provides long-term corrosion resistance and maximum strength.\u003c\/li\u003e\n\u003cli\u003eThe \u003cstrong\u003estainless steel body\u003c\/strong\u003e is half the weight of competitive designs, reducing installation and shipping costs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort end-to-end dimensions\u003c\/strong\u003e make retrofitting easy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCam-check assembly\u003c\/strong\u003e provides maximum flow at low pressure drop.\u003c\/li\u003e\n\u003cli\u003eNo special tools required for servicing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact construction\u003c\/strong\u003e allows for smaller enclosures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless steel relief valve\u003c\/strong\u003e features a balanced rolling diaphragm to eliminate sliding seals and lower maintenance costs.\u003c\/li\u003e\n\u003cli\u003eIncludes a \u003cstrong\u003esensor on the relief valve for flood detection\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlood alert feature\u003c\/strong\u003e is activated with an add-on sensor connection kit, compatible with BMS and cellular network communication, or the Sensor Control Monitor for BAS integration via RS-485 Modbus or Nexa® Wi-Fi platform.\u003c\/li\u003e\n\u003cli\u003eUses \u003cstrong\u003edomestic outside stem and yoke (OSY) resilient seated gate valves\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eEquipped with \u003cstrong\u003etop mounted test cocks\u003c\/strong\u003e.\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 that has no communication with any other device.\u003c\/em\u003e\u003c\/p\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796646174997,"sku":"F0692721","price":10328.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/177714.jpg?v=1772725586","url":"https:\/\/www.backflowpreventer.com\/products\/4-4000ss-dosy-fs","provider":"Water Specialties Company","version":"1.0","type":"link"}