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International Comfort Products N9MPD075F12A2 Furnace Door Switch
A furnace door switch is a safety feature that inhibits the draft inducer and ignitor from switching on in order to prevent injury and fire. You should have the switch be substituted for a new part at once if it is damaged so as to prevent something bad happening.
How can I tell if my safety furnace door switch is in need of a replacement?
- The furnace does not fire up even when you close the door
- The safety door switch looks like it is removed
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