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International Comfort Products NAC024AKA1 Furnace Door Switch
The job of the furnace door switch prevents the vent fan and ignitor from starting so as to avoid injuries. It is crucial to have this part changed immediately if you can, especially if you suspect it is not working properly.
Important signs the safety door switch needs replacing
- The furnace cannot run whether the door is off or on
- The furnace door switch seems to be worn down
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