Plumber Red Seal · Question
What is the primary reason for installing a sediment trap (drip leg) on a gas line immediately before it connects to an appliance like a water heater?
A sediment trap is designed to catch any moisture, pipe scale, or debris that may be carried in the gas stream, preventing it from entering and damaging the app
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Question: What is the primary reason for installing a sediment trap (drip leg) on a gas line immediately before it connects to an appliance like a water heater?
Answer options:
- To provide a test point for checking gas pressure. ✅ To trap moisture and foreign particles from the gas supply.
- To act as a shut-off point for servicing the appliance.
- To reduce the velocity of the gas flow.
Correct answer: To trap moisture and foreign particles from the gas supply.
Explanation: A sediment trap is designed to catch any moisture, pipe scale, or debris that may be carried in the gas stream, preventing it from entering and damaging the appliance's sensitive controls.
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