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Carrier 58MTA080 Furnace Door Switch
This switch prevents the vent fan and ignitor from starting so as to avoid injuries. It is extremely important that the device is exchanged for a new one swiftly especially if you think it is defective.
Important signs the switch on your furnace door is on its last leg
- The switch looks like it is beat up
- The system does not begin to work with the door closed
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