Pressure Vacuum Breaker Assembly (PVB)#
- Only one PVB is required to serve the whole system. Control valves may be located downstream of (after) the PVB.
- PVBs must be installed a minimum of 12 inches above the highest point of water they serve.
- No chemical or fertilizer may be introduced into an irrigation system equipped with PVBs.
- No pumps or back pressure sources are permitted on the downstream side of a PVB.
- PVBs must be tested by a state-certified backflow assembly tester at the time of installation, when moved or repaired and at least every three years.
Did You Know?
There is no poop fairy. Pick up after your pet to help prevent stormwater pollution.
Turning off the faucet while shaving or brushing teeth saves water.
Fats, oils and grease can clog the pipes in your home and the City’s wastewater system. Don’t put them down the drain. Toss them instead.