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International Comfort Products NAC236AKA1 Furnace Door Switch
A furnace door switch is a safety feature that blocks the fan and gas ignition from turning on so as to avoid injuries. It is important to get the part exchanged for a new one immediately if you can, especially if you suspect it is not working properly.
Hints the switch on your furnace door will not live much longer
- The safety door switch appears as though it has been worn down
- The system cannot run whether the door is off or on
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