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Carrier 38HDL030 Furnace Door Switch
A furnace door switch is a switch that blocks the vent fan and burner from activating so as to avoid injuries. You should have the switch be changed as quick as you can especially if you think it is defective.
Cues of a poorly performing switch on the furnace door
- The door switch looks as if it has been breaking apart
- The HVAC system does not function even when you close the door
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