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International Comfort Products CXA248AKA1 Limit Switch
Limit switches are built because if the air is not warm enough the you will lose heat in the ducts and the vents will just blow cool air. A normal limit switch is a switch located in the furnace that can determine if and when the air is warm enough so that it may be pushed through the ducts and out the vents.
Major clues of a declining main limit switch
- The whole system begins to shut down unexpectedly repeatedly
- The HVAC system will not even start or continue to run longer than a minute
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