Watts 0011640|WW0011640 - 3/4 3L-125

This 3/4 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 brass body construction with NPT threaded male inlet and NPT threaded female (drain) outlet, test lever, and stainless steel spring. The pressure relief is set at 125 psi (8.6 bar). It is ANSI Z21.22 approved, ASME rated and design certified and listed by CSA.