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Lennox CB30U-65 Limit Switch
A normal limit switch has a sensor in the air handler that makes the determination if and when the air is warmed to a point so that it may be pushed through the ducts and out the vents. One big reason why limit switches are designed that way is because if the warmed air is too cool then the house will never get warm enough.
Hints of a bad limit type switch
- The system begins to act weird time after time
- Your Lennox system will not initiate or run well longer than 10 minutes
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If you are going to be buying or ordering a replacement limit switch for your Lennox CB30U-65 do your best and cross-check the model number as well as make a visual inspection so that you are positive that the correct limit switch is the one being purchased. You do not need to replace the part all by yourself. Hire someone with experience in your area to do the job for you.
Feel free to download your manual for help.
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