The Trane CNT09419 Control Board (also known as D343587P04, IFC) is an integrated furnace control (IFC) designed to regulate critical functions within Trane HVAC systems. This board monitors and manages ignition, blower operation, and safety features, ensuring reliable furnace performance and safe operation. Key Features Integrated Furnace Control (IFC) functionality Direct OEM replacement for precise fit and performance Controls ignition, inducer, blower, and flame sensing Built-in diagnostic LED indicators for easy troubleshooting Engineered for Trane furnace systems Specifications Part Numbers: CNT09419 / D343587P04 Type: Control Board ? Integrated Furnace Control Voltage: Standard 24V system compatibility Functionality: Ignition control, blower management, safety monitoring Diagnostics: LED fault code display Compatible Models (Specific compatible models were not listed; compatibility typically includes a wide range of Trane and American Standard furnaces using this control board. Please verify using your furnace model number or contact support for confirmation.) Why Choose This Item Trust the Trane CNT09419 IFC Board to restore or enhance the operational reliability of your furnace. Its OEM-grade design ensures it integrates flawlessly into existing Trane systems, providing accurate control over critical functions like ignition and airflow. Choose this board to maintain system safety, efficiency, and performance throughout the heating season.