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Carrier 38TXA060 Furnace Door Switch
The job of the furnace door switch stops the fan and gas ignition from switching on so as to stop a potential explosion. You should have the switch be substituted for a new part at once if it is defective in some way or another.
Major warnings of a deteriorating safety furnace door switch
- The door mechanism seems to be bent badly
- The furnace will not fire up whether the door is open or closed
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