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Carrier 38YKC036 Furnace Door Switch
The furnace door switch blocks the fan and gas ignition from turning on so as to avoid injuries. It is crucial to have this part swapped out as soon as possible if it is damaged so as to prevent something bad happening.
Some warnings of a declining furnace door switch
- The HVAC system will not fire up even with the door closed
- The safety door switch appears as though it has been breaking off
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