0887726 800M4 PVB Repair Kit Replacement 800M4 1/2 “and 3/4” Pressure Vacuum Circuit Breakers

About this item Fits:800M4-FR series 1/2 inch and 3/4 inch pressure vacuum circuit breakers Prevent water in pipelines from freezing and flowing back into drinking water supply due to anti siphoning Made of high-quality materials, it is durable and the O-ring inside the package can effectively prevent from leakaging Close the valve, Loosen the screws of the old valve cover and vent float, and then reinstall the new valve cover Kit includes: 1 x Float Disc Assembly,1 x Vent Spring,1 x Bonnet