Gas Fitter Practice · Question
According to CSA B149.1, what is the maximum allowable gas pressure for domestic appliances at the appliance regulator inlet?
For domestic appliances, the maximum gas pressure at the inlet of the appliance regulator is typically 0.5 PSIG (14 inches w.c. in some contexts).
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Question: According to CSA B149.1, what is the maximum allowable gas pressure for domestic appliances at the appliance regulator inlet?
Answer options:
- 14 inches w.c.
- 7 inches w.c. ✅ 0.5 PSIG
- 2 PSIG
Correct answer: 0.5 PSIG
Explanation: For domestic appliances, the maximum gas pressure at the inlet of the appliance regulator is typically 0.5 PSIG (14 inches w.c. in some contexts).
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