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Carrier 38TDB060 Limit Switch
A normal limit switch contains a sensor in the heating area that senses, or governs, if and when the air is warm enough to activate the main blower. Limit switches are built due to the fact that if the air never warms up inside the exchanger then the house will never get warm enough.
Important clues of a laboring limit type switch
- Your Carrier system will not begin the ignition sequence or run well longer than a minute
- Your system begins to initiate and then stops often
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