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International Comfort Products TNE125J20G1 Limit Switch
A normal limit switch contains a sensor in the heating area that determines if and when the air is warmed to a point for the air to begin normal home circulation. One big reason why limit switches are designed that way is because if the air is not warm enough the you will lose all the heat as the air flows through the ducts.
Subtle hints main limit switch needs a replacement ASAP
- System is unable to start or continue to run longer than 10 minutes
- The HVAC system is starting to initiate and then stops more often than not
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