Gas Fitter Practice · Question
What is the specified minimum distance between a gas appliance vent termination and a mechanical air intake?
To prevent recirculation of flue gases, a 6-foot (1.8 m) minimum separation is required between vent terminations and mechanical air intakes.
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Question: What is the specified minimum distance between a gas appliance vent termination and a mechanical air intake?
Answer options:
- 1 foot (0.3 m)
- 3 feet (0.9 m) ✅ 6 feet (1.8 m)
- 10 feet (3 m)
Correct answer: 6 feet (1.8 m)
Explanation: To prevent recirculation of flue gases, a 6-foot (1.8 m) minimum separation is required between vent terminations and mechanical air intakes.
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