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NewAir AC-14000E Furnace Door Switch
A furnace door switch is a safety feature that prevents the blower and ignitor from turning on so as to stop a potential explosion. It is extremely important that the device is traded for new one as soon as possible if you see that it is broken.
What are the clues to watch out for to know my safety furnace door switch is in need of replacing?
- The system will not even begin to start with the door closed
- The furnace door switch appears as though it has been worn
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