Trane CNT6671 Control 326010-701 the valve is likely defective

the valve is likely defective and requires replacement

This unit features a high-visibility 60-90 degree Fahrenheit scale designed with large-scale numerals to assist in monitoring setpoints in low-light or industrial environments

this is a dedicated millivolt gas valve designed specifically for 750mV thermopile systems

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

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

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