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Lennox XC15-030 Furnace Door Switch
The job of the furnace door switch prevents the fan and ignition sequence from starting in order to prevent injury and fire. It is crucial to have this part traded for new one ASAP if it is defective.
Key signs of an ineffective safety furnace door switch
- The system will not operate whether the door is open or closed
- The door switch looks like it is fallen off
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