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ANSI Z21.78-2010/CSA 6.20-2010 (R2015)

CSA Group Combination gas controls for gas appliances

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Description
Scope Details test and examination criteria for combination gas controls having a maximum operating gas pressure of ½ psi (3.45 kPa) with one or more of the following fuel gases: natural, manufactured, mixed, liquefied petroleum and liquefied petroleum gas-air mixtures.
Scope Details test and examination criteria for combination gas controls having a maximum operating gas pressure of ½ psi (3.45 kPa) with one or more of the following fuel gases: natural, manufactured, mixed, liquefied petroleum and liquefied petroleum gas-air mixtures.