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International Comfort Products TDE075B12B1 Limit Switch
The limit switch contains a sensor in the air handler that makes the determination when the heated air is warm enough for the main blower to kick in and circulate the air. A limit switch was crafted due to the fact that if the air never warms up inside the exchanger the you will lose all the heat as the air flows through the ducts.
Major signs of a dying main limit switch
- The International Comfort Products system starts to behave differently often
- The heating and AC system will not begin or run like it ought to
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