
Apollo™ 4ALF504A2F PVB4A Backflow Preventer With Standard Ball Valve, 3/4 in Nominal, Bronze Body, Pressure Vacuum Breaker
MFG Part#4ALF504A2F
DSG#797536
Apollo™ 4ALF504A2F PVB4A Backflow Preventer With Standard Ball Valve, 3/4 in Nominal, Bronze Body, Pressure Vacuum Breaker
MFG Part#4ALF504A2F
DSG#797536
- The Apollo™ Model PVB 4A Pressure Vacuum Breakers are designed to prevent contamination of potable water due to back-siphonage. An integral relief valve serves to reduce the possibility of damage due to intermittent freezing conditions. The modular check valve cartridge has a replaceable seat and a reversible silicone seat disc. Apollo™ ball valves with stainless steel handles and nuts are standard.