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International Comfort Products CAC024AKA1 Limit Switch
Limit switches were created because if the air is too cool inside the furnace to begin with, then you will never get hot air through the ducts. A normal limit switch contains a sensor located in the furnace that makes the determination when the air is actually warm enough for the main blower to kick in and circulate the air.
Major warnings of a poorly working critical limit switch
- Your International Comfort Products system will not initiate or run well as it should
- The whole system begins to behave erratically from time to time
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