or debris in the inducer port before replacing the switch

Designed specifically for high-heat heat exchanger applications

Unlike mechanical alternatives

Common Questions: How do I verify if this board is compatible with my FTX model

offering 1/10th the weight and much higher efficiency

Trane CNT7029 Board 328140-751 or debris in the inducerThe Trane CNT7029 is a critical EEV Board Assembly designed for precise refrigerant flow management in high efficiency HVAC systems. This Electronic Expansion Valve controller serves as the primary interface between the system sensors and the stepper motor, ensuring optimal superheat levels and compressor protection. Engineered specifically for Trane and American Standard units, the CNT7029 replaces legacy 16 pin and 20 pin control modules,