Watts 100XL-125 Relief Valve, 3/4 in, 75 to 150 psi Operating, MNPT x FNPT, Brass

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 MNPT inlet and FNPT outlet connections, unique thermostat with special thermo-bonded coating and a test lever. ASME rated and CSA listed. Temperature relief is 210 deg F, pressure relief range is 75 to 150 psi (5.2 to 10.3 bar).