Wilkins 38-740 Automatic Vacuum Breaker. Pressure Vacuum Breakers prevent reverse flow of used or dirty water from entering back into the water supply. Back siphonage can occur from time to time and this Vacuum Breaker is desgned to avoid that completely. The PVB has a bronze body, silicone rubber check valve disc, and a plastic check valve seat.
Manufacturer: | Wilkins |
Mpn # | 38-740 |
Weight | 1.00 lbs. |