Apollo™, 4A-505-02F, Pressure Vacuum Breaker With Ball Valve, Series: 4A-500, 1 in Nominal, 150 psi Pressure, 33 to 140 deg F, Media: Hot/Cold Water, Bronze Body, Domestic

The Apollo™ model PVB4A and PVBLF4A pressure vacuum breaker A series prevents contamination of the potable water supply due to backsiphonage. 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.