Watts LL40XL 0163801 3/4 inch Male Inlet x 3/4 inch Female Outlet 150 PSI Bronze Body Temperature and Pressure Relief Valve

This 3/4 inch bronze automatic reseating temperature and pressure relief valve with a 1 21/32 inch extended shank and 3 1/2 inch thermostat is installed directly in tank tappings 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, Non-mechanical seat to disc alignment and test lever. The temperature relief is 210 degrees F (99 degrees C) and the relief pressure is 150 psi.