This 1/2 inch temperature and pressure relief valve is 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 15,000 BTU/hr. It features a bronze body with NPT threaded male inlet and NPT threaded female outlet connections, 2 inch short thermostat with special thermo-bonded coating and test lever. It is CSA listed. Temperature relief at 210 degrees F (99 degree C), pressure relief range is 75 to 150 psi. The standard pressure settings is 125 psi.