The Laars Heating Systems RE23569003 Programmable Control Board MLX REV 1.5 is an OEM electronic control module designed for Laars Mascot LX heating equipment. It manages essential system functions, including temperature regulation, burner operation, sensor monitoring, and diagnostic processes, by processing signals from connected components and coordinating heating operation. This co... https://www.partshnc.com/re23569003-laars-heating-systems-control-prog-mlx-rev-1-5