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International Comfort Products T9MPX060F12A2 Furnace Door Switch
A furnace door switch is a switch that blocks the draft inducer and burner from starting so as to stop a potential explosion. Do not try to fix it, just have it changed at once if it is defective.
Indications of a faulty safety furnace door switch
- The system will not even begin to start with the door closed
- The switch looks as if it has been breaking apart
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