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Plumber Red Seal · Question

What is the minimum required distance a plumbing vent terminal must be located above or away from an air intake or openable window?

To prevent sewer gases from entering a building, the NPC requires vent terminals to be located at least 3 meters (approximately 10 feet) away from any air intak

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Question: What is the minimum required distance a plumbing vent terminal must be located above or away from an air intake or openable window?

Answer options:

  • 1 m (3 ft)
  • 2 m (6.5 ft) ✅ 3 m (10 ft)
  • 5 m (16 ft)

Correct answer: 3 m (10 ft)

Explanation: To prevent sewer gases from entering a building, the NPC requires vent terminals to be located at least 3 meters (approximately 10 feet) away from any air intake or openable window.

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