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International Comfort Products T8MPL075B12B1 Furnace Door Switch
This switch stops initial fan and ignition sequence from turning on in order to prevent injury and fire. Do not try to fix it, just have it substituted for a new part as soon as you can if you find it to be faulty.
Clues the safety door switch is dying
- The HVAC system will not engage whether the door is open or closed
- The door mechanism appears as though it has been messed up
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