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International Comfort Products T8DNL075B12B1 Furnace Door Switch
This switch prevents the fan and other risky devices from activating so as to stop a potential explosion. It is crucial to have this part switched out ASAP especially if you suspect it is not working properly.
Key clues poorly running safety furnace door switch
- The furnace door switch looks like it is chipped
- The furnace does not even thing about starting whether the door is open or closed
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