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Carrier FF1DNE024011AAAA Furnace Door Switch
A furnace door switch is a safety feature that prevents the vent fan and other risky devices from activating so as to stop a potential explosion. It is imperative that the switch be changed as quick as you can if it is defective.
Key symptoms of a weakening safety door switch
- The switch looks like it is worn
- The system will not operate even with the door closed
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