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International Comfort Products N9MP1100F14A2 Furnace Door Switch
A furnace door switch is a switch that blocks the blower and burner from switching on in order to prevent injury and fire. Do not waste time and have it switched out ASAP if it is defective in some way or another.
Major signs of a poorly working safety furnace door switch
- The door mechanism looks like it is messed up
- The furnace will not even begin to start whether the door is off or on
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