Plumber Red Seal · Question
Which component is essential for preventing wastewater gases from escaping through a floor drain that is infrequently used?
A trap primer is used for floor drains or other traps that are infrequently used. It automatically adds a small amount of water to the trap to maintain the wate
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Question: Which component is essential for preventing wastewater gases from escaping through a floor drain that is infrequently used?
Answer options:
- Backwater valve
- Deep seal trap ✅ Trap primer
- Cleanout plug
Correct answer: Trap primer
Explanation: A trap primer is used for floor drains or other traps that are infrequently used. It automatically adds a small amount of water to the trap to maintain the water seal, preventing sewer gases from entering the space.
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