0156731 - 3/4" Bronze Automatic Reseating Temp and Presesure Relief Valve, 210 F, 150 psi3 4 IN Bronze Automatic Reseating T and P Relief Valve, 210 F, 150 psi This 3 4 inch bronze automatic reseating temperature and pressure relief valve with a 5 inch thermostat is installed directly in tank tapings and is used in commercial applications to provide automatic temperature and pressure protection for hot water supply tanks and hot water heaters. It features a bronze body with NPT male inlet and NPT female outlet connections, thermo bonded