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International Comfort Products C8MPN100F14B1 Furnace Door Switch
The furnace door switch inhibits the draft inducer and ignition sequence from activating so as to avoid injuries. Do not try to fix it, just have it swapped out as soon as you can if it is defective.
Major warnings the safety door switch is going out
- The furnace door switch looks like it is bent
- The HVAC system does not operate whether the door is off or on
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