Description
The Trane CNT09418 2 Stage Control Board is a genuine OEM integrated furnace control (IFC) designed to manage and regulate key functions in two stage HVAC systems. This advanced control board orchestrates heat/cool sequencing, blower operation, thermostat inputs, and safety diagnostics to ensure efficient, reliable performance and consistent comfort. Built to original equipment specifications, the CNT09418 is a trusted replacement part for a wide range of Trane and American Standard heating and cooling units.
Key Features
- Precision 2 Stage Control: Efficiently handles multi stage heating and cooling operations for enhanced comfort and energy savings compared to single stage systems.
- Integrated Furnace Control (IFC): Manages key system functions including thermostat calls, blower relay signals, and safety interlocks.
- OEM Reliability: Designed by Trane to original factory standards for proper fit, performance, and long service life.
- Easy Replacement: Direct replacement for earlier control boards such as CNT04677, CNT07720, and others where compatible — simplifying maintenance and reducing downtime.
- Built In Diagnostics: Supports system troubleshooting and fault indication to help technicians diagnose issues quickly and accurately.






