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International Comfort Products GPSM48S120F Limit Switch
The limit switch has a sensor in the heat exchanger that senses, or governs, if and when the air is warm enough for the air to begin normal home circulation. The main reason limit switches are made is due to the fact that if the air never warms up inside the exchanger then you will never get hot air through the ducts.
Major symptoms of a worsening limit type switch
- The International Comfort Products system is starting to act weird on a regular basis
- The heating and AC system is unable to start nor will it stay running like it should
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