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International Comfort Products NAC048GKA1 Furnace Door Switch
A furnace door switch is a safety feature that stops initial fan and gas ignition from turning on so as to avoid injuries. It is imperative that the switch be changed quickly if you suspect that it is not working.
What happens when my safety switch on the furnace door is about to go out?
- The HVAC system will not even begin to start whether the door is open or closed
- The furnace door switch has been messed up
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