Used in water heater and hot water storage tank applications to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters up to 105,000 Btu/hr. Features a bronze body with NPT male inlet and NPT female outlet connections, unique thermostat with special thermo-bonded coating and a test lever. ASME rated and CSA listed. Temperature relief is 210 deg F (99 deg C), Pressure relief range is 75 to 150psi (5.2 to 10.3 bar).