

The Control Board (Part Number: 12J99) is a vital component for GE and Lennox Packaged Unit/RTU systems. This circuit board & timer supports precise control of your unit, ensuring optimal performance and energy efficiency. Compatible with models 60M32, 43L0401, 60M3201, 78L27, 83L7001, 43L04, 78L2701, 83L70, R46994-101, and 104278-01, this Control Board guarantees seamless integration with your system. Install this board in minutes with basic tools and start enjoying its reliable operation.