This 1/2" 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 body construction with 1/2" NPT threaded male inlet and 1/2" NPT threaded female (drain) outlet, test lever, and stainless steel spring. It is ANSI Z21.22 approved, listed and certified by CSA. The pressure relief is set at 30 psi (2.1 bar).

• Lead free copper silicon alloy body construction
• CSA certified
• Relieves excessive pressure on tankless water heaters
• Test lever included