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Panasonic CS-KS12NB41 Furnace Door Switch
The job of the furnace door switch inhibits the fan and ignitor from activating so as to stop a potential explosion. You should really have it switched out quickly if you see that it is broken.
Signs your furnace door switch will need to be replaced
- The system does not even thing about starting even with the door closed
- The door switch is eroded
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