Plumbing codes mandate that potable water supplies be protected against backflow at all cross-connections. We offer the largest selection of backflow prevention solutions for any application.

Low Lead Backflow Preventer Function: Prevent the polluted water from flowing back into drinking water; application area: Suitable for the cross-connection of water pipes, where the water source needs to …

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Watts is the leader in backflow preventers and valves. The Watts BBFP Backflow preventer comes in 1/2" and 3/4". Available with sweat connections or IPS connections.

Double Check Valve Assemblies prevent the back flow of contaminated water into the potable water supply. It consists of a bronze (1/2 to 2 in) body construction that is easy to maintain and service.

Watts backflow preventers have a maximum working pressure of 175 psi, but they perform best in the 10-50 PSI range. We've found that operating below 10 PSI causes poor flow, while exceeding 50 PSI …

Watts 1-in Bronze FNPT Backflow preventer Item # 5425322 | Model # 734711 0 Prevents Flow Of Polluted Water Into Plumbing System Lead Free Bronze Body Construction, Includes Shut-Off …

Designed for use in health hazard cross-connections and continuous pressure applications subject to backpressure or backsiphonage incidents, such as containment at the main service line entrance, …

What is Backflow? Backflow describes the undesirable reversal of the flow of water from its intended direction in any pipeline or plumbing system.