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replacing it with this OEM draft inducer will restore proper airflow and allow the pressure switch to close reliably
the assembly ensures a reliable fail-safe close upon power loss
By utilizing this OEM replacement diaphragm
Use a manometer to verify the draft before replacing the switch
Trane CNT7029 Board 320788-702 replacing it with this OEMThe 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,
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