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Dual Check Backflow Preventers
Available1 product
Dual-check backflow preventers are compact units with two inline check valves that prevent liquids from flowing in reverse and contaminating water supplies. They are used in applications ranging from municipal water systems and fire sprinkler systems to laboratory and processing equipment.
Brand
Continuous Pressure Dual Check Backflow Preventers
Continuous-pressure dual-check backflow preventers are used in smaller supply lines and piping systems that handle continuous liquid flow for applications such as boiler feed lines and dedicated industrial service lines.
APOLLO 4A-400
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WATTS 9D
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WATTS REGULATOR 9D
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