Apollo™ 4A503A2F PVB4A Backflow Preventer, 1/2 in, Bronze Body, Pressure Vacuum Breaker

The Apollo™ Model PVB4A and PVBLF4A Pressure Vacuum Breaker A Series prevents contamination of the potable water supply due to back-siphonage. A standard integral freeze protection relief valve serves to reduce the possibility of damage due to intermittent freezing conditions. The modular check valve cartridge provides a captured spring, a replaceable seat, and a reversible silicone seat disc. This assembly features ball valve shutoffs with stainless steel handles and nuts as standard.

Apollo™ Backflow Preventer, Series: PVB4A, 1/2 in Nominal, 150 psi, 33 to 140 deg F, Pressure Vacuum Breaker Backflow, Media: Water, Bronze Body, 7-1/4 in H