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Carrier 38YXA060 Limit Switch
Limit switches exist due to the fact that if the air never warms up inside the exchanger the you will lose heat in the ducts and the vents will just blow cool air. A normal limit switch contains a sensor located in the furnace that can determine when the heated air is warm enough to activate the main blower.
Important clues of a poorly performing limit type switch
- Your Carrier system is unable to start or continue to run as it should
- The whole system is beginning to shut down unexpectedly more than once
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