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Edgestar AP14003W Furnace Door Switch
The furnace door switch prevents the vent fan and ignitor being triggered to start in order to prevent injury and fire. Do not try to fix it, just have it exchanged for a new one swiftly especially if you suspect it is not working properly.
Signs of a bad furnace door switch
- The whole system cannot run whether the door is open or closed
- The furnace door switch has been breaking off
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