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Lennox CB26UH Control Board
The entire heating and cooling system will not function unless this board is correctly installed. The Lennox CB26UH control board is designed to control everything including the gas valve, the ignition igniter, all the various sensors as well as the blower all at once. Be very careful when you are choosing a replacement board due to variances between brand and air handler types. A control board that you have chosen must have a matching part number consistent with both the brand and specific model of your heating and cooling system.
Signals your primary control board needs a replacement ASAP
- There seems to be a flashing error code displayed somewhere on the board
- Power to the circuit board has to be powered down and back up rather frequently for everything to run again
- The entire system is unwilling to go correctly
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If you are going to be buying or purchasing any Lennox CB26UH replacement part do your best and double check the model number and also make a visual comparison so that you are positive that the right control board is being ordered. Once you have the part to install the replacement part alone. Search for a pro in your area to pay to install it for you.
Feel free to download your manual for help.
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