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International Comfort Products C8MPT050B12B1 Furnace Door Switch
This switch prevents initial fan and ignition sequence from starting so as to stop a potential explosion. It is quite important to have it traded for new one immediately if you can, if it is defective.
What happens when my safety switch on the furnace door has a need to be replaced?
- The safety door switch seems to be broken
- The furnace will not engage whether the door is open or closed
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