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Whirlpool ATR1543CPP0 Furnace Door Switch
This switch blocks the fan and gas ignition being triggered to start so as to avoid injuries. It is imperative that the switch be exchanged for a new one as quick as you can if it is defective in some way or another.
Major symptoms of an inadequate safety switch on the furnace door
- The system does not turn on even with the door closed
- The door switch is breaking off
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