The GREE 30138000310 Main Control Board is a genuine OEM replacement part designed for reliable operation in GREE air conditioning and HVAC systems. This main control board manages key system functions, including temperature regulation, fan speed, and communication between components, ensuring efficient and stable performance. Built from high-quality materials and engineered for durab... https://www.partshnc.com/30138000310-gree-main-control-board