Watts 0887728 1" Pressure Vacuum Breaker Total Repair Kit RK 800M4-T

The Watts 0887728 1” Pressure Vacuum Breaker Total Repair Kit RK 800M4-T is a complete repair kit for maintaining the Watts pressure vacuum breakers in their better condition. This Pressure Vacuum Breaker Total Repair Kit contains all the components needed to rebuild the check valves, vent floats and seats inside the assembly. For use in 1-inch pressure vacuum breakers, this kit assures the proper functioning of these essential safety mechanisms. Pressure vacuum breakers are necessary for HVAC systems to protect the wellness of the public and the main water system from back siphonage and backflow of contaminated water into potable water supplies.