Wauebuly Pressure Vacuum Breaker Bonnet Repair Kit For Wilkins RK1-720A Fits 1/2 3/4 1 Backflow 12-720 34-720 1-720 720

Suitable for 72A pressure vacuum circuit breakers also known as a backflow preventer. Installation Method: First power off the valve remove the canopy unscrew the brass bonnet disc and poppet assembly gasket pry off the old o-rings remove the spring and spider assembly blot dry with a cloth and inspect the valve for damage. Then install the new kit.