WATTS Freeze Resistant Pressure Vacuum Breaker Backflow Preventers

Backflow Preventer Type: Vacuum Breaker , Body Material: Bronze , Body Pattern: N Pattern , Disc Material: Silicone , Inlet Connection: Female Threaded , Inlet Thread Type: NPT , Max. Temp.: 140 Deg. F , Max. Working Pressure: 150 psi , Min. Temp.: 32 Deg. F , Outlet Connection: Female Threaded , Seat Material: Noryl Plastic