Historical
ANSI Z21.15a-2009/CSA 9.1a-2009
Addenda 1 to Manually Operated Gas Valves for Appliances, Appliance Connector Valves and Hose End Valves
Details test and examination criteria for manually-operated gas valves, not exceeding 4 inches (102 mm) pipe size, and pilot shut-off devices, except for hose end valves and appliance connector valves, intended to be used as part of a gas-fired appliance.
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