The GREE 30224000026 Main Control Board is an electronic component designed to manage and coordinate the operation of compatible GREE HVAC equipment. It processes signals from sensors and user controls to regulate essential functions such as compressor operation, fan speed, temperature settings, and system protection. Used in compatible GREE air conditioning systems, including select ... https://www.partshnc.com/30224000026-gree-main-control-board