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Carrier 58MVP080 Furnace Door Switch
The job of the furnace door switch prevents the draft inducer and ignition sequence from turning on so as to stop a potential explosion. It is vital that this part be exchanged for a new one ASAP especially if you suspect it is not working properly.
General warnings of a bad furnace door switch
- The system will not operate even when you close the door
- The furnace door switch looks like it is broken
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