Watts 0916940|WW0916940 - 1/2 111L-125

This 1/2 inch pressure relief valve is designed for residential hot water supply applications and provides pressure relief protection only against thermal expansion in water. This valve consists of a bronze body with 1/2 inch NPT threaded male inlet and 1/2 inch NPT threaded female (drain) outlet, stainless steel pressure spring, and test lever. The pressure relief is set at 100 psi (6.9 bar).