Plumber Red Seal · Question
During a renovation, a plumber needs to vent a new island sink. Due to architectural constraints, a conventional continuous vent is not feasible. Which alternative venting method is most likely permissible under the National Plumbing Code of Canada for this situation?
An island fixture vent, often referred to as a loop vent or a Chicago loop, is specifically designed and permitted by the National Plumbing Code of Canada for v
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Question: During a renovation, a plumber needs to vent a new island sink. Due to architectural constraints, a conventional continuous vent is not feasible. Which alternative venting method is most likely permissible under the National Plumbing Code of Canada for this situation?
Answer options:
- A circuit vent
- A wet vent ✅ An island fixture vent
- A stack vent
Correct answer: An island fixture vent
Explanation: An island fixture vent, often referred to as a loop vent or a Chicago loop, is specifically designed and permitted by the National Plumbing Code of Canada for venting island sinks where conventional vertical venting is impractical. Wet vents are for specific group arrangements, and circuit/stack vents serve multiple fixtures in different ways.
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