Additional InformationASME Specified|CSA ANSI Z21.22/CSA 4.4 National Board of Boiler and Pressure Vessel Inspectors|NSF Certified
Marketing InformationThis 3/4 in 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 3/4 in MNPT inlet and 1/2 in FNPT (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 100 psi.