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International Comfort Products H8MPT050B12A1 Limit Switch
The limit switch contains a sensor in the heat exchanger that determines when the heated air is warm enough for the air to begin normal home circulation. A limit switch was crafted because if the air is not warm enough then you will never get hot air through the ducts.
Key signs of a declining main limit switch
- The HVAC system is starting to erratically repeatedly
- The HVAC system will not initiate or run even though the desired temperature has not been attained
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