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Lennox G40UH-60C-110X Control Board
The control board is created to regulate the gas valve, the ignition igniter, the flame sensor as well as the air circulator all in one unit. Your air handler will be unable to be able to function without the control board properly connected to the unit. The board you select will have a matching part number that will fit in the brand and the model of the unit you have installed. Be very careful when choosing a control board because of the wide variety of models within certain brands.
What warnings are present when my HVAC circuit board is in need of a replacement?
- System has a type of code directly on the circuit board
- Entire unit will not start period
- The control board has to be powered down and back up all the time for it to kick in
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