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Carrier FE4ANF005000 Limit Switch
Limit switches are crucial due to the fact that if the air inside the furnace is too cool the you will lose all the heat as the air flows through the ducts. A normal limit switch is a switch located in the furnace that senses, or governs, when the heated air is warm enough to activate the main blower.
Warnings limit switch needs replacing
- The heating and cooling system will not even start or run well for any length of time
- The system is beginning to act weird frequently
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