How to Replace a Pressure Vacuum Breaker: A Step-by-Step Guide
To replace a pressure vacuum breaker, turn off the water supply to the irrigation system and open the valve to release water pressure. Remove the fence around the pressure vacuum breaker, unscrew the bolts holding it in place, and remove the device. Install the new pressure vacuum breaker by attaching it to the plumbing and tightening the bolts. Finally, turn the water supply back on and check for leaks.