Gas Fitter Practice · Question
What is the minimum required distance between a vent terminal and a window that opens, if the vent terminal is below the window?
CSA B149.1 specifies a minimum clearance of 300 mm (12 inches) horizontally from a vent terminal to an opening window if the terminal is below it.
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Question: What is the minimum required distance between a vent terminal and a window that opens, if the vent terminal is below the window?
Answer options:
- 150 mm ✅ 300 mm
- 600 mm
- 900 mm
Correct answer: 300 mm
Explanation: CSA B149.1 specifies a minimum clearance of 300 mm (12 inches) horizontally from a vent terminal to an opening window if the terminal is below it.
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