The General Electric WJ26X22155 Air Conditioner Main Board manages the air conditioning unit's electronic operations. This control component processes signals from the user interface and connected sensors to regulate cooling functions, fan operation, and other system settings. Installed in the air conditioner’s electrical control section, the board coordinates communication between es... https://www.hnkparts.com/wj26x22155-general-electric-main-board/4-WJ26X22155.html