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Lennox CB27UH-042 Control Board
The control board is designed to direct everything including the gas valve, the ignition igniter, most sensors and the blower all together. Heating and cooling systems will not even operate without this vital piece of hardware is hooked up and is correctly configured. The brand of board you choose must have a matching part number consistent with both the brand and specific model of the unit you have installed. It is imperative that you select wisely when you choose a replacement because of the diversity of particular brands and their models.
What are some indications that my HVAC circuit board is about to go out?
- When turned on, there is lit up error code displayed on the board
- The heating and cooling system declines to go properly
- The entire system has to be turned off and back on habitually in order to run
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Before buying or purchasing, do your due diligence and double check the model number and also make a visual inspection so that you are positive that the correct replacement control board is the one being purchased. Once you have the part to replace the part all by yourself. Consult with a professional in your area to pay to install it for you.
Feel free to download your manual for help.
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