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Goodman GDH80904BXCB Furnace Door Switch
The furnace door switch is a safety switch which inhibits the fan and burner from activating so as to avoid injuries. It is vital that this part be traded for new one ASAP if it is defective.
Subtle hints your furnace door switch will soon need to be replaced
- The switch looks not there
- The whole system does not function even with the door closed
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