Febco 1 in. Bronze Pressure Vacuum Breaker Backflow Preventer, Freeze Sensor
(Febco 1 in. This 1 in. It has a bronze body, spring loaded check valve, air relief valve with opening port, 2 resilient seated shutoffs, tee handles and test cocks and NPT end connections. 3 bar) and temperature range is 32 F to 140F (0C to 60C).