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Carrier CRBTMPWR003A01 Furnace Door Switch
A furnace door switch is a safety feature that blocks initial fan and gas ignition from switching on so as to stop a potential explosion. It is imperative that the switch be switched out as soon as you can especially if you suspect it is not working properly.
Clues the switch on your furnace door will die soon
- The safety door switch seems to be stuck
- The system will not engage even with the door closed
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