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Goodman GMH80453AN Furnace Door Switch
A furnace door switch is a switch that stops initial fan and burner being triggered to start in order to prevent injury and fire. You must have the device swapped out quickly if it is defective in some way or another.
What are some hints that my safety furnace door switch is on its last leg?
- The door switch looks like it is not there
- The furnace does not function whether the door is open or closed
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