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International Comfort Products T8MPV075F14B1 Furnace Door Switch
The furnace door switch is a safety switch which stops the fan and burner being triggered to start in order to prevent injury and fire. It is quite important to have it exchanged for a new one quickly if it is defective in some way or another.
Red flags your safety switch on the furnace door is going out
- The safety door switch seems broken completely
- The system will not operate whether the door is open or closed
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