WATTS 1XL Series 0004494 Relief Valve, 1/2 in, MNPT x FNPT, Bronze Body

Designed to provide automatic temperature and pressure protection to hot water supply tanks and hot water heaters up to 15,000 Btu/hr. This two in one relief valve provides the most proven and cost effective means to protect against excessive temperature and pressure emergency conditions. It features a bronze body construction, NPT male inlet and NPT female outlet connections, a unique extended thermostat with special thermo-bonded coating and test lever. The temperature relief is 99 deg C and the pressure relief is set at 150 psi (10.6 bar).