The Rheem-Ruud 47-100436-07 Control Board is an electronic control component designed to manage and coordinate key functions within compatible HVAC equipment. It receives signals from system sensors and controls components such as the blower, heating elements, ignition, and other operating functions according to demand. This control board is used in compatible Rheem and Ruud residenti... https://www.partshnc.com/47-100436-07-rheem-ruud-ecm-control-board