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International Comfort Products NAC060AKA1 Limit Switch
Limit switches were created because if the air is not warm enough the you will lose all the heat as the air flows through the ducts. A normal limit switch is a type of sensor switch in the air handler that determines if and when the air is warm enough for the air to begin normal home circulation.
Signals of a poorly working limit switch
- The heating and cooling system will not begin the ignition sequence or continue to run even though the desired temperature has not been attained
- The whole system begins to act differently often
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