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International Comfort Products NTC7075BFA1 Furnace Door Switch
The furnace door switch is a safety switch which stops initial fan and other risky devices from activating in order to prevent injury and fire. It is important to get the part switched out immediately if you can, if you find it to be faulty.
What are the indications that my furnace door switch is dying?
- The safety door switch appears to be broken
- The furnace will not start with the door closed
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