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International Comfort Products HXA236AKA1 Furnace Door Switch
The furnace door switch is a safety switch which inhibits the blower and ignition sequence being triggered to start so as to stop a potential explosion. You must have the device substituted for a new part immediately if you can, if it is damaged so as to prevent something bad happening.
Warnings your furnace door switch is going out
- The furnace door switch appears as though it has been broken
- The whole system will not fire up even when you close the door
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