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Carrier 38BYC060 Furnace Door Switch
A furnace door switch is a switch that prevents initial fan and gas ignition being triggered to start so as to stop a potential explosion. You should have the switch be swapped out swiftly if it is defective.
Important clues of a poorly working safety switch on the furnace door
- The door switch looks beat up
- The system does not function even when you close the door
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