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Whirlpool ATR0943RPP0 Furnace Door Switch
A furnace door switch is a switch that prevents the vent fan and ignition sequence from turning on so as to avoid injuries. Do not waste time and have it substituted for a new part immediately if you can, if you find it to be faulty.
Some warnings your safety switch on the furnace door is on its last leg
- The system does not turn on even with the door closed
- The door mechanism looks bent badly
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