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International Comfort Products NAC036AKA1 Furnace Door Switch
The furnace door switch is a safety switch which blocks the blower and ignitor from switching on so as to stop a potential explosion. It is imperative that the switch be replaced as soon as you can if it is not working in order to prevent injuries.
Key indicators that my furnace door switch is not working right?
- The whole system does not begin to work whether the door is open or closed
- The door switch appears to be removed
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