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GE AZ75H18DACM1 Furnace Door Switch
A furnace door switch is a switch that inhibits the vent fan and ignitor being triggered to start so as to avoid injuries. It is crucial to have this part substituted for a new part immediately if you can, if it is defective in some way or another.
Clues to watch for to know the switch on your furnace door has very little life left
- The door mechanism seems to be broken
- The whole system does not operate even when you close the door
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