Watts Pressure Vacuum Breaker Assemby

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All brass construction. Ball type control valves and test cocks. Durable; reliable plastic bonnet/poppet internal mechanism. PVB's can be used where the device can be mounted 1' or more higher than the highest output (sprinkler/faucet). Uses: Irrigation and commercial/industrial piping systems (backsiphonage only; pressurized connections).