Lennox 10B73 Module Kit 319852-301 This replacement 4-ton inverter board

This replacement 4-ton inverter board is the direct OEM solution for restoring high-efficiency performance in compatible Nordyne HVAC systems

Crafted from durable materials

is a critical component for contractors maintaining hydronic systems

this 115V draft inducer motor operates at 3000 RPM with a Clockwise Lead End (CWLE) rotation

This kit is essential for technicians addressing HVAC water valve troubleshooting or performing routine Johnson Controls valve maintenance

Lennox 10B73 Module Kit 319852-301 This replacement 4-ton inverter boardThe Lennox 10B73 Module Kit is a direct OEM variable speed motor control replacement engineered for high efficiency HVAC units. This Lennox blower motor module serves as the processing hub for ECM motors, communicating with the furnace or air handler control board to modulate airflow based on real time demand. High quality HVAC motor controllers like the 10B73 are critical for maintaining static pressure balance and preventing premature motor failure