Zurn Wilkins 3-350OSY 3" Double Check Valve Backflow Preventer

Designed for installation on potable water lines to protect against both backsiphonage and backpressure of polluted water into the potable water supply. The Model 350A shall provide protection where...

The 350DA Double Check Detector Backflow Assembly protects against backsiphonage and backpressure in low health hazard, fire protection applications. Featuring a metered bypass system, the 350DA...

The 350DA Double Check Detector Backflow Assembly protects against backsiphonage and backpressure in low health hazard, fire protection applications. Featuring a metered bypass system, the 350DA...

The 350DA Double Check Detector Backflow Assembly protects against backsiphonage and backpressure in low health hazard, fire protection applications. Featuring a metered bypass system, the 350DA...

Protects Against Backsiphonage And backpressure of contaminated water into the portable water supply Typical Applications: Main System Supply, Fire Pressure Systems, Wells