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International Comfort Products PH5524AKA2 Furnace Door Switch
The job of the furnace door switch prevents initial fan and ignition sequence from activating in order to prevent injury and fire. Do not try to fix it, just have it substituted for a new part as quick as you can if it is damaged so as to prevent something bad happening.
General indicators that your the switch on your furnace door will need to be replaced
- The door mechanism looks as if it has been wrong
- The system will not fire up even with the door closed
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