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Empire Comfort Systems GWT-25-2 Limit Switch
The limit switch contains a sensor in the heating area that senses, or governs, when the air is warm enough to activate the main blower. Limit switches are crucial due to the fact that if the air never warms up inside the exchanger then you will never get hot air through the ducts.
Signs limit switch is going to die
- The system is starting to erratically on a regular basis
- The heating and AC system will not initiate or continue to run even though max temp has not been reached
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