ULC 842A PDF
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- Covers manually, pressure-, or temperature-operated valves used to control gasoline and gasoline/ethanol fluids and vapors in piping systems and motor fuel dispensing equipment, generally at temperatures from −20 °F (−29 °C) to 125 °F (52 °C).
- Applies to gasoline and gasoline/ethanol blends from E0 through E98, with evaluation using specified CE25a, CE40a, and CE85a test fluids according to the rated ethanol range.
Key Benefits
- Establishes requirements for valves used with gasoline and high-ethanol fuel blends, including blends up to 98% nominal ethanol.
- Requires compliance with both UL/ULC 842 and the additional requirements of ULC 842A.
- Helps identify applicable installation frameworks, including NFPA 30, NFPA 30A, the National Fire Code of Canada, and applicable provincial regulations





