Gas Fitter Practice · Question
Which safety device is designed to interrupt the gas supply if the vent system becomes blocked?
A spill switch (or vent safety shutoff device) detects flue gases spilling from the draft hood and shuts down the appliance.
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Question: Which safety device is designed to interrupt the gas supply if the vent system becomes blocked?
Answer options: ✅ Spill switch
- High temperature limit
- Pressure switch
- Flame sensor
Correct answer: Spill switch
Explanation: A spill switch (or vent safety shutoff device) detects flue gases spilling from the draft hood and shuts down the appliance.
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- When installing a gas outdoor appliance, what is the minimum required clearance from an opening into a buildin
- Which code specifies the requirements for the installation of propane-burning appliances and equipment?
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