WW0121435, Watts, 1/2 IN Lead Free Brass Poppet Type Pressure Relief Valve, 100 psi

This 1/2 inch pressure relief valve is used in residential applications to protect against excessive pressure on domestic storage tanks and tankless water heaters. It consists of a lead free brass body construction with 1/2 inch NPT threaded male inlet and 1/2 inch NPT threaded female (drain) outlet, and stainless steel spring. The pressure relief is set at 100 psi (6.9 bar).