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Lennox CB30U-46 Limit Switch
Limit switches exist due to the fact that if the air never warms up inside the exchanger the you will lose heat in the ducts and the vents will just blow cool air. The limit switch is a type of sensor switch in the heat exchanger that decides when the heated air is warm enough for the air to begin normal home circulation.
Do you know if your limit type switch really is about to go out?
- The HVAC system starts to become unpredictable time after time
- The HVAC system will not initiate or continue to run longer than a minute
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Before you decide on buying or ordering, do your due diligence and make sure of the correct model as well as make a visual comparison so that you are positive that the correct replacement limit switch is the one being purchased. Use caution when you replace or install any part of a heating or cooling system. If you are not exactly sure of what to do next call a pro. Stay safe.
Feel free to download your manual for help.
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