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Double Check Backflow Preventers
Available10 products
Double-check backflow preventers protect water supplies from contamination due to backpressure or backsiphoning. Also called double check valve assemblies, they have two independent check valves for easy inline maintenance. These backflow preventers are not suited for high health-hazard applications.
Series
Fire Protection & Sprinkler System Double Check Backflow Preventers
Fire sprinkler system double-check backflow preventers install in fire protection and sprinkler systems to keep polluted water out of water supply systems.
ZURN WILKINS 950XLT
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WATTS 774
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WATTS 709
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WATTS 007
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