The KE2 thermsolutions KE2 Temp + Air Defrost Control Board 21322 20679 is a specialized component designed for commercial refrigeration cabinets, walk-ins, and under counter refrigeration cabinets. This defrost control board, manufactured by KE2 thermsolutions, is equipped with advanced technology to efficiently manage temperature and air defrost functions. Ideal for businesses in the food service industry, this control board ensures precise control over the defrosting process, maintaining optimal conditions for preserving food items and improving overall refrigeration efficiency.