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Carrier 50JZ024300 Furnace Door Switch
The job of the furnace door switch blocks the fan and ignition sequence from turning on so as to stop a potential explosion. Do not waste time and have it swapped out ASAP if you suspect that it is not working.
Simple warnings that your safety furnace door switch really needs to be replaced?
- The door switch seems bent badly
- The whole system does not fire up even with the door closed
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