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Carrier 38YD Limit Switch
Limit switches exist because if the air is not warm enough then you will never get hot air through the ducts. The limit switch is a type of sensor switch located in the furnace that decides when the air is actually warm enough for the blower to be activated.
Red flags limit switch will not live much longer
- The whole system begins to become unpredictable time after time
- The heating and cooling system will not initiate or run like it ought to
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