{"title":"Backflow Devices - Watts - Dual Check","description":null,"products":[{"product_id":"1-1-2-lf07s","title":"1 1\/2 LF07S","description":"1 1\/2 In Dual Check Valve Backflow Preventer, Residential Fire Sprinkler System","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796711383317,"sku":"0061943","price":1183.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/179859.jpg?v=1772727393"},{"product_id":"1-watts-lf7ru2-2-dual-check-valve","title":"1\" Watts LF7RU2-2 Dual Check Valve","description":"\u003cdiv\u003e1\" Watts Series LF7R Dual Check Valve to prevent the reverse flow of polluted water from entering into the potable water supply at service enterance or at individual outlets. The body is a lead free cast copper silicon alloy with two compact replaceable plastic check modules and stainless steel springs. Series LF7R is designed for non-health hazard residential water system containment, continuous pressure applications. It is installed immediately downstream of the residential water meter, in a vertical or horizontal position. Check with local inspection authorities for installation requirements. Minimum Working Pressure: 10psi (69 kPa) Maximum Working Pressure: 175psi (12 bar).\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/fireresq-documents.s3.amazonaws.com\/wsc\/lead-free-compliant.png\"\u003e\u003c\/div\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796713546005,"sku":"0072205","price":163.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/179934.jpg?v=1772727456"},{"product_id":"1-2-watts-lf7ru2-2-dual-check-valve","title":"1\/2\" Watts LF7RU2-2 Dual Check Valve","description":"\u003cdiv\u003e1\/2\" Watts Series LF7R Dual Check Valve to prevent the reverse flow of polluted water from entering into the potable water supply at service enterance or at individual outlets. The body is a lead free cast copper silicon alloy with two compact replaceable plastic check modules and stainless steel springs. Series LF7R is designed for non-health hazard residential water system containment, continuous pressure applications. It is installed immediately downstream of the residential water meter, in a vertical or horizontal position. Check with local inspection authorities for installation requirements. Minimum Working Pressure: 10psi (69 kPa) Maximum Working Pressure: 175psi (12 bar).\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/fireresq-documents.s3.amazonaws.com\/wsc\/lead-free-compliant.png\"\u003e\u003c\/div\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796713677077,"sku":"0072203","price":138.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/179938.jpg?v=1772727460"},{"product_id":"3-4-watts-9d-m2-dual-check-with-atmospheric-vent-threaded-ends","title":"3\/4\" Watts 9D-M2 Dual Check with Atmospheric Vent **Threaded Ends**","description":"Series 9D Dual Check Valves with Intermediate Atmospheric Vent prevent the reverse flow of hot or cold polluted water from entering into the potable water supply. It consists of a brass body with stainless steel internal parts, integral strainer, and two durable, tight-sealing, rubber check valves. Series 9D is designed for continuous pressure, non-health hazard applications in smaller supply lines, such as laboratory equipment, processing tanks, sterilizers, dairy equipment, and specifically for boiler feed lines.","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796720263445,"sku":"0061888","price":252.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/180087.jpg?v=1772727578"},{"product_id":"3-4-watts-lf7ru2-2-dual-check-valve","title":"3\/4\" Watts LF7RU2-2 Dual Check Valve","description":"\u003cdiv\u003e3\/4\" Watts Series LF7R Dual Check Valve to prevent the reverse flow of polluted water from entering into the potable water supply at service enterance or at individual outlets. The body is a lead free cast copper silicon alloy with two compact replaceable plastic check modules and stainless steel springs. Series LF7R is designed for non-health hazard residential water system containment, continuous pressure applications. It is installed immediately downstream of the residential water meter, in a vertical or horizontal position. Check with local inspection authorities for installation requirements. \u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cimg src=\"https:\/\/fireresq-documents.s3.amazonaws.com\/wsc\/lead-free-compliant.png\"\u003e\u003c\/div\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796720460053,"sku":"0072204","price":149.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/180094.jpg?v=1772727588"},{"product_id":"3-8-watts-sd2-dual-check-for-carbonated-beverage-machine","title":"3\/8\" Watts SD2 Dual Check for Carbonated Beverage Machine","description":"\u003cdiv\u003eThe 3\/8\" Watts Series SD-2 Dual Check Valves prevent the reverse flow of contaminated water, such as carbon dioxide gas and carbonated water, from entering into the potable water supply due to backpressure backflow. It consists of a stainless steel body construction with internal rubber components and is designed for continuous or intermittent pressure applications. Commonly found on tea and coffee makers this backflow carries the ASSE 1032 certification but does NOT carry the ASSE 1022 certification.\u003c\/div\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796720525589,"sku":"0061655","price":337.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/180097.jpg?v=1772727591"},{"product_id":"3-4-watts-9ds-m2-dual-check-with-atmospheric-vent-soldered-ends","title":"3\/4\" Watts 9DS-M2 Dual Check with Atmospheric Vent **Soldered Ends**","description":"Series 9D Dual Check Valves with Intermediate Atmospheric Vent prevent the reverse flow of hot or cold polluted water from entering into the potable water supply. It consists of a brass body with stainless steel internal parts, integral strainer, and two durable, tight-sealing, rubber check valves. Series 9D is designed for continuous pressure, non-health hazard applications in smaller supply lines, such as laboratory equipment, processing tanks, sterilizers, dairy equipment, and specifically for boiler feed lines.","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796720558357,"sku":"0061926","price":252.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/180100.jpg?v=1772727592"},{"product_id":"2-lf07s","title":"2 LF07S","description":"2 In Dual Check Valve Backflow Preventer, Residential Fire Sprinkler System","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796721967381,"sku":"0061945","price":1299.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/180173.jpg?v=1772727652"},{"product_id":"1-4-watts-sd2-vented-dual-check-for-carbonated-beverage-machine","title":"1\/4\" Watts SD2 Vented Dual Check for Carbonated Beverage Machine","description":"\u003cdiv\u003eThe 1\/4\" Watts Series SD-2 Dual Check Valves with Atmospheric Port \u0026amp; Strainer for Carbonated Beverage Machines prevent the reverse flow of polluted water, such as carbon dioxide gas and carbonated water, from entering into the potable water supply due to backpressure backflow. It consists of stainless steel body construction with internal rubber components and is designed for continuous or intermittent pressure applications. Series SD-3 has an atmospheric port that provides visual indication of failure of the second check and a wye pattern strainer. Commonly found on carbonated beverage machines and coffee makers it has the ASSE 1022 approval required for such devices.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796731863317,"sku":"0061663","price":358.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/180594.jpg?v=1772728005"},{"product_id":"1-4-watts-sd2-dual-check-for-carbonated-beverage-machine","title":"1\/4\" Watts SD2 Dual Check for Carbonated Beverage Machine","description":"\u003cdiv\u003eThe 1\/4\" Watts Series SD-2 Dual Check Valves prevent the reverse flow of contaminated water, such as carbon dioxide gas and carbonated water, from entering into the potable water supply due to backpressure backflow. It consists of a stainless steel body construction with internal rubber components and is designed for continuous or intermittent pressure applications. Commonly found on tea and coffee makers this backflow carries the ASSE 1032 certification but does NOT carry the ASSE 1022 certification.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796735893781,"sku":"0061651","price":318.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/180684.jpg?v=1772728077"},{"product_id":"1-2-watts-9d-m3-dual-check-with-atmospheric-vent-threaded-ends","title":"1\/2\" Watts 9D-M3 Dual Check with Atmospheric Vent **Threaded Ends**","description":"\u003cdiv\u003eSeries 9D Dual Check Valves with Intermediate Atmospheric Vent prevent the reverse flow of hot or cold polluted water from entering into the potable water supply. It consists of a brass body with stainless steel internal parts, integral strainer, and two durable, tight-sealing, rubber check valves. Series 9D is designed for continuous pressure, non-health hazard applications in smaller supply lines, such as laboratory equipment, processing tanks, sterilizers, dairy equipment, and specifically for boiler feed lines.\u003c\/div\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796736745749,"sku":"0061935","price":246.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/180728.jpg?v=1772728113"},{"product_id":"1-2-watts-9ds-m3-dual-check-with-atmospheric-vent-solder-ends","title":"1\/2\" Watts 9DS-M3 Dual Check with Atmospheric Vent **Solder Ends**","description":"\u003cdiv\u003eSeries 9D Dual Check Valves with Intermediate Atmospheric Vent prevent the reverse flow of hot or cold polluted water from entering into the potable water supply. It consists of a brass body with stainless steel internal parts, integral strainer, and two durable, tight-sealing, rubber check valves. Series 9D is designed for continuous pressure, non-health hazard applications in smaller supply lines, such as laboratory equipment, processing tanks, sterilizers, dairy equipment, and specifically for boiler feed lines.\u003c\/div\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796740120853,"sku":"0061952","price":246.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/180799.jpg?v=1772728167"},{"product_id":"3-8-watts-sd3-vented-dual-check-for-carbonated-beverage-machine","title":"3\/8\" Watts SD3 Vented Dual Check for Carbonated Beverage Machine","description":"\u003cdiv\u003eThe 3\/8\" Watts Series SD-3 Dual Check Valves with Atmospheric Port \u0026amp; Strainer for Carbonated Beverage Machines prevent the reverse flow of polluted water, such as carbon dioxide gas and carbonated water, from entering into the potable water supply due to backpressure backflow. It consists of stainless steel body construction with internal rubber components and is designed for continuous or intermittent pressure applications. Series SD-3 has an atmospheric port that provides visual indication of failure of the second check and a wye pattern strainer. Commonly found on carbonated beverage machines and coffee makers it has the ASSE 1022 approval required for such devices.\u003c\/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796740808981,"sku":"0061657","price":725.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/180840.jpg?v=1772728199"},{"product_id":"1-lf07s","title":"1 LF07S","description":"1 In Dual Check Valve Backflow Preventer, Residential Fire Sprinkler System","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796740940053,"sku":"0122588","price":594.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/180846.jpg?v=1772728205"},{"product_id":"3-4-lf9ds-m2","title":"3\/4 LF9DS-M2","description":"3\/4 In Lead Free Forged Brass Dual Check Valve Backflow Preventer with Intermediate Atmospheric Vent, Union Solder End Connections","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796768432405,"sku":"88006836","price":290.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/182021.jpg?v=1772729154"},{"product_id":"1-2-lf9d-m3","title":"1\/2 LF9D-M3","description":"1\/2 In Lead Free Forged Brass Dual Check Valve Backflow Preventer with Intermediate Atmospheric Vent, Female Union Inlet and Outlet Connections","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796771610901,"sku":"88006822","price":281.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/182132.jpg?v=1772729250"},{"product_id":"1-2-lf9ds-m3","title":"1\/2 LF9DS-M3","description":"1\/2 In Lead Free Forged Brass Dual Check Valve Backflow Preventer with Intermediate Atmospheric Vent, Union Solder End Connections","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796772069653,"sku":"88006837","price":281.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/182160.jpg?v=1772729271"},{"product_id":"3-4-lf9d-m2","title":"3\/4 LF9D-M2","description":"3\/4 In Lead Free Forged Brass Dual Check Valve Backflow Preventer with Intermediate Atmospheric Vent, Female Union Inlet and Outlet Connections","brand":"Water Specialties Company","offers":[{"title":"Default Title","offer_id":49796775280917,"sku":"88006832","price":290.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/6506\/6773\/files\/182313.jpg?v=1772729408"}],"url":"https:\/\/www.backflowpreventer.com\/collections\/backflow-devices-watts-dual-check.oembed","provider":"Water Specialties Company","version":"1.0","type":"link"}