Vacuum Breakers Replaced

A pressure-vacuum breaker (PVB) is a standard fitting on irrigation systems, as well as in many other applications. The device is designed to sense backward suction (a pressure vacuum) in the lines and then introduce air into the system to prevent contaminated water from being drawn back into the fresh water supply. Because it’s an important component of an irrigation system, you must make sure it is operating correctly.

eplacing a pressure-vacuum breaker may become necessary when the brass components break or when it needs a repair and you can’t find replacement parts. Changing a pressure-vacuum breaker usually consists of cutting some PVC pipe, removing the old breaker, and installing a new one. A pressure-vacuum breaker is meant to be installed at a height of at least 12 inches above the highest sprinkler head or outlet. Keep this height in mind whenever making repairs.​

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