Watts 0121329|WW0121329 - 3/4 LF3L-175-Z2

This 3/4 inch lead free 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 copper alloy body with NPT threaded male inlet and NPT threaded female (drain) outlet, test lever, and stainless steel spring. It is ANSI Z21.22 approved, ASME rated and design certified and listed by CSA. The pressure relief is set at 175 psi (12.1 bar).