The Rheem-Ruud 47-100436-08K Control Board Kit is a replacement control board designed to manage and coordinate key electrical functions within compatible Rheem and Ruud HVAC equipment. It operates as the system’s control center, directing components such as the blower motor and other air-handler functions according to operating demands. This board is primarily used in Rheem and Ruud ... https://www.partshnc.com/rheem-ruud-47-100436-08k-control-board-kit