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Lennox CBX26UH-024 Limit Switch
The reason limit switches exist is 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. The limit switch is a switch in the heating area that decides if and when the air is warm enough to activate the main blower.
General warnings of a barely functioning critical limit switch
- The heating and AC system is unable to start or continue to run as it should
- The system begins to act weird on more than one occasion
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