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International Comfort Products CAC060AKA1 Limit Switch
The limit switch is a type of sensor switch in the air handler that determines if and when the air is warm enough that it can be circulated throughout the house. Limit switches are crucial due to the fact that if the air inside the furnace is too cool then the house will never get warm enough.
Clues to watch for in a failing main limit switch
- The heating and AC system will not begin nor will it stay running like it is supposed to
- The whole system begins to act differently time after time
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