Gas Fitter Practice · Question
According to CSA B149.1, what is the minimum required temperature for combustion air entering an appliance room?
CSA B149.1 specifies that combustion air temperature must not be less than -18°C (0°F) to ensure proper appliance operation.
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Question: According to CSA B149.1, what is the minimum required temperature for combustion air entering an appliance room?
Answer options:
- 0°C (32°F) ✅ -18°C (0°F)
- 10°C (50°F)
- 20°C (68°F)
Correct answer: -18°C (0°F)
Explanation: CSA B149.1 specifies that combustion air temperature must not be less than -18°C (0°F) to ensure proper appliance operation.
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