1 In Bronze Automatic Reseating Temp And Pressure Relief Valve, 150 psi, 210 degree F, Test Lever, 8 In Extension Thermostat_This 1 inch bronze automatic reseating temperature and pressure relief valve with a 8 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 coated thermostat, tamper resistant bonnet screws, automatic reseating feature, and test lever. The temperature relief is 210 degrees (99 degrees C) and the pressure relief is 150 psi._Tamper resistant bonnet screws_Thermo-bonded thermostat_Thermostat is accurate and proven_8 Inch thermostat length_Non-mechanical seat to disc alignment_Specifications_Body Material Bronze_Brand Watts_Buy American Act Compliant YES_EAN 098268009989_GPM-When Relieved Does Not Apply to Product_Inlet Connection Size 1 IN_Inlet Connection Type Male Threaded_Inlet Thread Type NPT_Lead Free NO_Maximum Temperature-Fahrenheit 210_Maximum Working Pressure-PSI 150_Outlet Connection Size 1 IN_Outlet Connection Type Female Threaded_Outlet Thread Type NPT_Part Number 0163765_Pressure Range 75 to 150 PSI_Pressure Relief Setting-PSI 150_Pressure Steam Discharge Capacity 2,135,000 BTU per hour_Protection Type Temperature And Pressure_Series 40L_Shank Length Does Not Apply To Product_Temperature Relief-Fahrenheit 210_Temperature Steam Discharge Capacity 500,000 BTU per hour_Thermostat Material Copper_Thermostat Probe Length 8 IN