Trane CNT6671 Control 326010-701 the valve is likely defective

the valve is likely defective and requires replacement

Standardized Signal: The 4-20 mA current loop provides excellent noise immunity for long cable runs in mechanical rooms

This kit is commonly paired with Honeywell V5011

Photoelectric Accuracy: Superior detection of large-particle smoke typical of smoldering fires compared to ionization sensors

Key Benefits OEM Programmed Logic: Pre-loaded with specific torque and airflow profiles calibrated for Bard wall-mount equipment

Trane CNT6671 Control 326010-701 the valve is likely defectiveThe Trane CNT06671 Integrated Furnace Control is a critical OEM component designed for high efficiency modulating gas furnaces. As a veteran grade furnace control board, it manages the ignition sequence, blower motor speed, and safety circuits, ensuring the manifold pressure and airflow are precisely synchronized. This modulating furnace control is engineered for specific Trane HVAC equipment and American Standard models, replacing previous iterations