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Carrier 50GX048300 Furnace Door Switch
This switch blocks the blower and ignition sequence being triggered to start so as to stop a potential explosion. Do not waste time and have it substituted for a new part swiftly especially if you suspect it is not working properly.
Major red flags your furnace door switch needs replacing
- The furnace door switch appears as though it has been bent
- The HVAC system will not operate even when you close the door
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