The MRCOOL Board Main Control, model 17122000018658, is a refrigeration controller designed for use with MRCOOL, Midea, and ECOX ductless mini split systems with heat pumps. It is a corded electric unit with a power source of 208/230V and an amperage of 25A. This controller has a compact design, measuring 8 inches in length, 6 inches in width, and 1 inch in thickness. It comes with a manufacturer warranty of 1 year and is lightweight at 1 pound. Ideal for HVAC and refrigeration systems, this controller provides efficient control for your heating and cooling needs.