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International Comfort Products T2A330GKA100 Limit Switch
The limit switch contains a sensor in the heat exchanger that senses, or governs, when the heated air is warm enough for the main blower to kick in and circulate the air. Limit switches are built due to the fact that if the air inside the furnace is too cool then the house will never get warm enough.
Subtle cues of a defective limit type switch
- Your International Comfort Products system refuses to kick in or run well longer than 10 minutes
- The system starts to become unpredictable from time to time
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