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Carrier 58MTA080F10112 Furnace Door Switch
The furnace door switch stops initial fan and gas ignition from turning on so as to stop a potential explosion. It is vital that this part be traded for new one at once if it is defective.
Red flags of a barely functioning safety furnace door switch
- The switch looks as if it has been breaking apart
- The HVAC system will not start with the door closed
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