The Trane CNT08120 IFC Control Board (also listed as D344782P03) is a 2-stage Integrated Furnace Control (IFC) board engineered to manage ignition, blower, and safety monitoring in high-efficiency Trane and American Standard furnaces. This OEM control board ensures your system performs with precision timing, staged heat control, and fault diagnostics for reliable and safe operation. Key Features Genuine Trane OEM IFC board for assured compatibility Supports 2-stage heating furnaces Controls ignition sequence, blower motor, and limit switches Includes diagnostic LED indicators for quick troubleshooting Designed for seamless replacement in Trane and American Standard systems Specifications Part Numbers: CNT08120, D344782P03 Type: IFC (Integrated Furnace Control) Board Stages: 2-stage heat Application: Gas furnaces Features: LED diagnostics, integrated blower timing, safe ignition control Compatible Models Model-specific compatibility available upon request or via your unit?s model number. Fits many Trane and American Standard 2-stage gas furnaces. Why Choose This Item The Trane CNT08120 control board is a critical replacement part that restores the functionality and reliability of your 2-stage furnace. By using an original manufacturer board, you maintain the efficiency, diagnostics, and safety features your HVAC system was designed to deliver. Ideal for technicians and homeowners who demand OEM-quality parts for dependable heating.