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International Comfort Products TCH442AKA1 Furnace Door Switch
This switch inhibits the fan and burner from switching on so as to avoid injuries. Do not try to fix it, just have it switched out immediately if you can, if you find it to be faulty.
Warnings the switch on your furnace door is on its last leg
- The HVAC system does not run even when you close the door
- The door mechanism appears as though it has been broken completely
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