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Carrier 38ESA048 Furnace Door Switch
The furnace door switch stops the blower and gas ignition from starting in order to prevent injury and fire. Do not waste time and have it traded for new one ASAP if it is defective.
What happens when my safety furnace door switch is on its last leg?
- The furnace door switch is broken completely
- The system does not run whether the door is open or closed
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