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International Comfort Products PAPA42GA1 Furnace Door Switch
The job of the furnace door switch inhibits the draft inducer and burner from turning on so as to stop a potential explosion. Do not try to fix it, just have it replaced as soon as possible if it is defective.
What signals that my safety furnace door switch is about to stop working?
- The door switch seems worn down
- The HVAC system does not begin to work even with the door closed
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