Trane CNT7055 Control Display Assembly 321702-401 Dimensions measure approximately 20

Dimensions measure approximately 20

Whether you are performing a seasonal tune-up or a specialized field conversion

Is this probe compatible with all McDonnell & Miller LWCOs

Bubbles generally signify a shortage of refrigerant or a pressure drop causing flash gas in the liquid line

slowly turn it counter-clockwise until the LED illuminates

Trane CNT7055 Control Display Assembly 321702-401 Dimensions measure approximately 20The Trane CNT7055 Control Display Assembly is a direct OEM replacement engineered for high performance HVAC system interfacing and diagnostics. Designed for seamless integration with compatible Trane and American Standard air handlers and package units, this digital control board assembly ensures precise communication between the system's logic controllers and the user interface. This specific module is critical for monitoring real time system status,