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International Comfort Products T9MPX080J16A2 Furnace Door Switch
The furnace door switch is a safety switch which inhibits the fan and burner from switching on so as to stop a potential explosion. It is imperative that the switch be exchanged for a new one promptly if you suspect that it is not working.
Easy warnings of a defective furnace door switch
- The HVAC system does not turn on even when you close the door
- The switch seems to be chipped
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