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1 1/2 In Lead Free Anti-Siphon Pressure Vacuum Breaker, Quarter Turn Shutoff, Lever Handles.
This Watts 1-1/2" Backflow Preventer LF800M4QT.112 is designed to help prevent the backflow of contaminated water into potable water supplies. A reliable and durable pressure-activated valve, this preventer features a maximum working pressure of 175 psig and a non-shock hydrostatic test pressure of 300 psig.
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