The ICM Controls ICM2913 DSI Control Board is a direct replacement ignition control designed for compatible Trane HVAC equipment. It manages the direct spark ignition process by controlling the ignition sequence, monitoring flame presence, and coordinating gas valve operation to support safe and reliable heating. Commonly used in compatible Trane gas furnaces and heating systems, this... https://www.partshnc.com/icm2913-icm-controls-trane-dsi-d674711p01-replace