GREE 30138655 Main Control Board is an essential electronic component engineered to manage and coordinate the operation of Gree HVAC systems. Acting as the system’s central control unit, it processes input from sensors and directs compressors, fan motors, and other components to maintain accurate temperature and performance. It is commonly used in Gree air conditioners and heat pump u... https://www.partshnc.com/30138655-gree-main-control-board