{"title":"Backflow Devices - Watts - RPZ - Reduced Pressure Zone Assemblies - 6\" - 994 Series","description":null,"products":[{"product_id":"6-994-osy-fs","title":"6 994-OSY-FS","description":"\u003cp\u003eThis \u003cstrong\u003eWatts Series 994 6 inch Reduced Pressure Zone Assembly Backflow Preventer\u003c\/strong\u003e is designed to protect potable water supplies from backsiphonage and backpressure of hazardous materials at cross-connections. It features a compact modular design for easy maintenance and a \u003cstrong\u003eSentryPlus Alert® flood sensor\u003c\/strong\u003e to detect excessive relief valve discharge.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEquipped with a \u003cstrong\u003eflood sensor with SentryPlus Alert® technology\u003c\/strong\u003e to detect continuous discharge from the relief valve.\u003c\/li\u003e\n\u003cli\u003eSupports integration with a \u003cstrong\u003eSensor Control Monitor\u003c\/strong\u003e for maintenance alerts via \u003cstrong\u003eBAS (RS-485 Modbus)\u003c\/strong\u003e or the \u003cstrong\u003eNexa® platform (Wi-Fi connectivity)\u003c\/strong\u003e using an add-on connection kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUL Classified and FM Approved outside stem and yoke (OSY) resilient seated gate valves\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottom mounted relief valve\u003c\/strong\u003e reduces clearance requirements for installations against outside walls.\u003c\/li\u003e\n\u003cli\u003eNo special tools are required for servicing, simplifying maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed with a \u003cstrong\u003estainless steel body\u003c\/strong\u003e for long-term \u003cstrong\u003ecorrosion resistance\u003c\/strong\u003e and maximum strength.\u003c\/li\u003e\n\u003cli\u003eFeatures a short lay length and a lightweight body, reducing installation and shipping costs.\u003c\/li\u003e\n\u003cli\u003eIncorporates \u003cstrong\u003epatented torsion spring check valves\u003c\/strong\u003e for maximum flow at low pressure drop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermoplastic and stainless steel check valves\u003c\/strong\u003e ensure trouble-free operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless steel relief valve\u003c\/strong\u003e with a balanced rolling diaphragm eliminates sliding seals and lowers maintenance costs.\u003c\/li\u003e\n\u003cli\u003eCompact design allows for installation in smaller enclosures.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eAn add-on connection kit is required to activate the flood sensor's communication features; without it, the sensor is passive. Watts is not responsible for alert failures due to connectivity issues, power outages, or improper installation. The flood sensor does not replace the need to comply with all required installation, operation, and maintenance regulations, including providing proper drainage for discharge.\u003c\/em\u003e\u003c\/p\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796778688789,"sku":"F438057","price":17702.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/182464.jpg?v=1772729544"},{"product_id":"6-994-osy-gxg-fs","title":"6 994-OSY-GxG-FS","description":"\u003cp\u003eThe Watts 6 inch Series 994 Reduced Pressure Zone Assembly is designed to prevent the reverse flow of liquids into the potable water supply, protecting against health hazards caused by backpressure or backsiphonage. This lead-free backflow preventer features a compact, short lay length design with a lightweight stainless steel body, making installation and maintenance easier.\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 ensures the wetted surface contains less than 0.25% lead by weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless steel body\u003c\/strong\u003e provides long term corrosion resistance and maximum strength, and is half the weight of competitive designs for reduced installation and shipping costs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Stem and Yoke (OSY) grooved gate valves\u003c\/strong\u003e on both inlet and outlet.\u003c\/li\u003e\n\u003cli\u003ePatented \u003cstrong\u003etorsion spring check valves\u003c\/strong\u003e provide maximum flow at low pressure drop and offer trouble-free operation.\u003c\/li\u003e\n\u003cli\u003eBottom mounted relief valve reduces clearance requirements when installed against an outside wall.\u003c\/li\u003e\n\u003cli\u003eNo special tools required for servicing.\u003c\/li\u003e\n\u003cli\u003eCompact construction 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\u003eIntegrated \u003cstrong\u003eflood sensor with SentryPlus Alert® technology\u003c\/strong\u003e detects excessive water discharges from the relief valve.\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eAn add-on sensor connection kit is required to activate the flood sensor's alert feature. Without the connection kit, the flood sensor is a passive component and will not communicate with other devices.\u003c\/em\u003e\u003c\/li\u003e\n\u003cli\u003eFlood alerts can be activated via BMS, cellular communication, or the Sensor Control Monitor for integration with BAS via RS-485 Modbus or the Nexa® platform through Wi-Fi.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796779409685,"sku":"F438609","price":18940.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/182491.jpg?v=1772729565"},{"product_id":"6-994-nrs-fs","title":"6 994-NRS-FS","description":"\u003cp\u003eThe 6 inch Lead Free Watts Series 994 Reduced Pressure Zone Assembly Backflow Preventer is designed to protect potable water supplies from health hazard cross-connections where reverse flow due to backpressure or backsiphonage may occur.\u003c\/p\u003e\u003cp\u003eThis assembly features a compact, modular design for easy in-line maintenance and includes an integrated flood sensor with SentryPlus Alert® technology for detecting excessive water discharges from the relief valve.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFeatures a \u003cstrong\u003eshort lay length\u003c\/strong\u003e, \u003cstrong\u003elightweight stainless steel body\u003c\/strong\u003e that is half the weight of competitive designs, reducing installation and shipping costs.\u003c\/li\u003e\n\u003cli\u003eEquipped with \u003cstrong\u003ecorrosion resistant stainless steel relief valve\u003c\/strong\u003e and \u003cstrong\u003epatented torsion spring check valves\u003c\/strong\u003e for maximum flow at low pressure drop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermoplastic and stainless steel check valves\u003c\/strong\u003e ensure trouble-free operation.\u003c\/li\u003e\n\u003cli\u003eIncludes \u003cstrong\u003enon-rising stem resilient seated gate valves\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eA \u003cstrong\u003ebottom mounted relief valve\u003c\/strong\u003e reduces clearance requirements, ideal for installations against an outside wall.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact construction\u003c\/strong\u003e allows for smaller enclosures and requires \u003cstrong\u003eno special tools for servicing\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFlood Detection \u0026amp; Alerting\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIntegrated \u003cstrong\u003eflood sensor with SentryPlus Alert® technology\u003c\/strong\u003e detects continuous discharge from the relief valve.\u003c\/li\u003e\n\u003cli\u003eTo activate flood alerts, an \u003cstrong\u003eadd-on sensor connection kit is required\u003c\/strong\u003e, compatible with BMS, cellular communication, and the Sensor Control Monitor for integration with BAS via RS-485 Modbus or Nexa® platform through Wi-Fi.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796780228885,"sku":"F438056","price":16663.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/182507.jpg?v=1772729586"},{"product_id":"6-994-lf-fs","title":"6 994-LF-FS","description":"\u003cp\u003eThis 6 inch \u003cstrong\u003eWatts Series 994 Lead Free Reduced Pressure Zone (RPZ) Assembly\u003c\/strong\u003e backflow preventer is designed to protect potable water supplies from health hazard cross-connections caused by backsiphonage and backpressure.\u003c\/p\u003e\u003cp\u003eThis model is assembled \u003cstrong\u003ewithout shutoff valves\u003c\/strong\u003e and features a \u003cstrong\u003eshort lay length\u003c\/strong\u003e, a durable \u003cstrong\u003estainless steel body\u003c\/strong\u003e, and includes an integrated \u003cstrong\u003eflood sensor with SentryPlus Alert® technology\u003c\/strong\u003e to detect excessive water discharges from the relief valve, signaling potential flooding.\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, ensuring the wetted surfaces contain less than 0.25% lead.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless steel body\u003c\/strong\u003e provides long-term corrosion resistance and maximum strength, weighing half that of competitive designs to reduce installation costs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort end-to-end dimensions\u003c\/strong\u003e make retrofit easy and compact construction allows for smaller enclosures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented torsion spring check valves\u003c\/strong\u003e (thermoplastic and stainless steel) provide maximum flow at low pressure drop and trouble-free operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottom mounted stainless steel relief valve\u003c\/strong\u003e features a balanced rolling diaphragm to eliminate sliding seals and lower maintenance costs, reducing clearance requirements when installed against an outside wall.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlood sensor with SentryPlus Alert® technology\u003c\/strong\u003e detects excessive water discharges from the relief valve.\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.\u003c\/li\u003e\n\u003cli\u003eMaintenance is simplified with \u003cstrong\u003eno special tools required\u003c\/strong\u003e for servicing and a single access cover for in-line repairs.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796781277461,"sku":"F438058","price":13796.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/182560.jpg?v=1772729632"},{"product_id":"6-994-dosy","title":"6 994-DOSY","description":"\u003cp\u003eThe Watts Series 994 Reduced Pressure Zone Assembly is a 6 inch backflow preventer designed to protect potable water supplies from backsiphonage and backpressure of hazardous materials. It is suitable for health hazard cross-connections and continuous pressure piping applications, preventing the reverse flow of fire protection substances and water of non-potable quality into the potable water supply.\u003c\/p\u003e\u003cp\u003eIts compact modular design facilitates easy maintenance with a single access cover for in-line repairs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless steel body\u003c\/strong\u003e provides long term \u003cstrong\u003ecorrosion resistance\u003c\/strong\u003e and maximum strength.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDomestic outside stem and yoke (OSY) resilient seated gate valves\u003c\/strong\u003e for reliable shutoff control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort lay length\u003c\/strong\u003e and \u003cstrong\u003ecompact construction\u003c\/strong\u003e allow for smaller enclosures and easy retrofit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottom mounted relief valve\u003c\/strong\u003e reduces clearance requirements when installed against an outside wall.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTorsion spring check valves\u003c\/strong\u003e provide maximum flow at low pressure drop and ensure trouble-free operation with thermoplastic and stainless steel hinge pins.\u003c\/li\u003e\n\u003cli\u003eEquipped with a \u003cstrong\u003eflood sensor\u003c\/strong\u003e on the relief valve to detect excessive water discharges.\u003c\/li\u003e\n\u003cli\u003eNo special tools are required for servicing.\u003c\/li\u003e\n\u003cli\u003eThe wetted surface of this product contains less than \u003cstrong\u003e0.25% lead by weight\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cem\u003e\u003cp\u003eAn add-on connection kit is required to activate the flood sensor's alert feature. Without this kit, the flood sensor acts as a passive component and does not communicate with any other device.\u003c\/p\u003e\u003c\/em\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796830757141,"sku":"0439415","price":18939.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/184108.jpg?v=1772731164"},{"product_id":"6-994-dnrs","title":"6 994-DNRS","description":"\u003cp\u003eThe Watts 6 inch reduced pressure zone assembly backflow preventer is designed to prevent the reverse flow of fire protection substances and non-potable water into the potable water supply. It protects against backsiphonage and backpressure in continuous pressure piping applications and at cross-connections identified as health hazards.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompact modular design with \u003cstrong\u003eshort lay length\u003c\/strong\u003e for easy maintenance and retrofit.\u003c\/li\u003e\n\u003cli\u003eSingle access cover for in-line repairs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300 Series Stainless steel body\u003c\/strong\u003e for corrosion resistance.\u003c\/li\u003e\n\u003cli\u003eBottom mounted relief valve reduces clearance requirements.\u003c\/li\u003e\n\u003cli\u003ePatented \u003cstrong\u003etorsion spring check valves\u003c\/strong\u003e provide maximum flow at low pressure drop.\u003c\/li\u003e\n\u003cli\u003eThermoplastic check valves with stainless steel hinge pins for trouble-free operation.\u003c\/li\u003e\n\u003cli\u003eNo special tools required for servicing.\u003c\/li\u003e\n\u003cli\u003eIncludes a \u003cstrong\u003esensor on the relief valve for flood detection\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eDomestic \u003cstrong\u003enon-rising stem resilient seated gate valves\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eIncludes four ball-type test cocks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eWatts recommends installing a drain line and the required 994AGK-P air gap for the drain line installation. When installing an air gap, attach the air gap brackets directly onto the flood sensor. Refer to product installation instructions and safety information before beginning installation.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cem\u003eThe information provided is not intended to replace full product installation and safety information or the experience of a trained product installer. Always refer to product installation instructions and safety information before beginning the installation.\u003c\/em\u003e\u003c\/p\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796832002325,"sku":"0439403","price":17825.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/184144.jpg?v=1772731214"}],"url":"https:\/\/www.backflowpreventer.com\/collections\/backflow-devices-watts-rpz-reduced-pressure-zone-assemblies-6-994-series.oembed","provider":"Water Specialties Company","version":"1.0","type":"link"}