Gas Fitter Practice · Question
What is the minimum clearance required from combustible materials for a single-wall metal vent connector with no specified clearance reduction?
Unless otherwise specified or reduced by approved methods, 6 inches is the standard minimum clearance for single-wall vent connectors.
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Question: What is the minimum clearance required from combustible materials for a single-wall metal vent connector with no specified clearance reduction?
Answer options:
- 3 inches ✅ 6 inches
- 9 inches
- 12 inches
Correct answer: 6 inches
Explanation: Unless otherwise specified or reduced by approved methods, 6 inches is the standard minimum clearance for single-wall vent connectors.
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