Watts Temperature and Pressure Relief Valve, 40XL-5, psi 150, 3/4 in., Lead Free

This 3/4 in. lead free automatic reseating temperature and pressure relief valve with a 5 in. 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 lead free brass construction 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 F (99 degrees C) and the pressure relief is 150 psi.|Lead free cast body|Tamper resistant bonnet screws|5 in. thermostat length|Non-mechanical seat to disc alignment|Temperature relief is 210 degree F (99 degree C)|Pressure relief is set at 150 psi|Unique thermostat with special thermo-bonded coating|Thermostat is installed directly in tank tapping|3/4 in. NPT male inlet and NPT female outlet connections|ASME Rated, ANSI Z21.22, Design certified and listed by CSA