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LG LP090CED Furnace Door Switch
A furnace door switch is a switch that inhibits the draft inducer and ignition sequence from starting in order to prevent injury and fire. It is imperative that the switch be replaced as soon as possible if it is defective.
Important clues to watch for in a failing safety switch on the furnace door
- The HVAC system does not run even with the door closed
- The switch looks as if it has been bent
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