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Trane TCP036F100AC Limit Switch
Limit switches are crucial due to the fact that if the air inside the furnace is too cool the you will lose all the heat as the air flows through the ducts. The limit switch contains a sensor in the heating area that determines when the air is warm enough that it can be circulated throughout the house.
Major indications critical limit switch will eventually need to be replaced
- The heating and AC system will not begin or will not stay running even though the desired temperature has not been attained
- The HVAC system is starting to initiate and then stops time after time
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