WATTS®, 0163805, Temperature/Pressure Relief Valve, Automatic Reseating, Series: LL40XL, 1 in Nominal, MNPT x FNPT End Style, 210 deg F, Media: Water, Bronze Body, 2.81 in W x 7.71 in H Dimensions, Domestic

This 1 in bronze automatic reseating temperature and pressure relief valve with a 1-21/32 in extended shank and 3-1/2 in thermostat is installed directly in tank tapings and 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 MNPT inlet and FNPT outlet connections, thermo-bonded coated thermostat, tamper resistant bonnet screws, automatic reseating feature and test lever. The temperature relief is 210 deg F and the pressure relief is 150 psi.