Description
The Trane CNT7941 control board is a core replacement component that manages and coordinates the key functions of your HVAC system. It acts as the “brain” of compatible furnaces and heat pumps, processing signals from the thermostat and internal sensors to control ignition, inducer motors, blower operations, and safety interlocks. Often replaced when a system experiences ignition faults, operational lockouts, or erratic behavior, this control board restores dependable performance and safe operation. The CNT7941 has been superseded by updated revision CNT07941, but it remains a direct fit or equivalent in many Trane models.
Key Features
- Integrated furnace/heat pump control board
- Manages ignition sequence, blower, inducer, and safety monitoring
- Processes input signals from thermostats and sensors
- 1 stage control with 120 V HSI compatibility
- Surface mount design with diagnostic LEDs (may vary by revision)
- Replaces older control board numbers such as CNT07541 and CNT3797
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