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Goodman ARUF486016 Furnace Door Switch
This switch inhibits the draft inducer and burner from activating in order to prevent injury and fire. You should have the switch be substituted for a new part immediately if you can, if it is damaged so as to prevent something bad happening.
Some clues of a bad switch on the furnace door
- The furnace door switch appears as though it has been beat up
- The HVAC system does not turn on whether the door is open or closed
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