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Lennox CB28UH-018 Control Board
Your system definitely will not operate whatsoever without the board configured and seated properly. The Lennox CB28UH-018 control board is created to oversee the gas valve, the igniter, all the sensors as well as the blower all in one unit. A control board that you have chosen is supposed to have a part number that matches the brand and the model of air handler system you have. You must be careful when you are choosing a replacement board due to differences in models within certain brands.
Signals of a laboring primary control board
- System has a flashing error code being displayed on the front of the control board
- The power to the system has to be reset a lot for it to kick in
- The whole unit declines to function at all
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If you are going to be buying or ordering any Lennox CB28UH-018 part, do your due diligence and make sure of the model number as well as make a visual comparison so that you are positive that the correct replacement control board is the one being purchased. There is no need to install it yourself. Look for a professional in your community to do the job for you.
Feel free to download your manual for help.
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