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Carrier 38TZA060 Furnace Door Switch
The job of the furnace door switch blocks initial fan and ignitor from turning on in order to prevent injury and fire. You should really have it switched out swiftly especially if you think it is defective.
What are the clues to watch out for to know my furnace door switch is dying?
- The system does not even thing about starting with the door closed
- The door mechanism appears to be broken
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