Pressure Vacuum Breaker Assembly (PVBA)

  • Only one PVB is required to serve the whole system. Control valves may be located downstream of (after) the PVB
  • PVBAs must be installed a minimum of 12 inches above the highest point of water they serve
  • PVBAs must be tested by a state-certified tester at the time of installation, annually, and when moved or repaired
  • No chemical or fertilizer may be introduced into an irrigation system equipped with PVBAs
  • No pumps or backpressure sources are permitted on the downstream side of (after) a PVBA

Pressure Vacuum Breaker Assembly