Lennox 31K74 Blower Shaft 320734-701 Constructed to handle ambient temperatures

Constructed to handle ambient temperatures from -40°F to 176°F

Optimal Airflow: Engineered scroll design maximizes blower fan efficiency and reduces turbulence

Robust Construction: Built with high-grade materials to withstand the high-temperature discharge environments of industrial refrigeration systems

it is essential to match the nameplate voltage to avoid overheating the solenoid windings

For optimal sensitivity and to achieve the lowest specified set point

Lennox 31K74 Blower Shaft 320734-701 Constructed to handle ambient temperaturesThe Lennox 31K74 Blower Shaft is a critical replacement component engineered for heavy duty rotation in residential and commercial air handlers. Measuring 18 inches in length with a 1 inch diameter, this shaft is manufactured from 1045 or C45 carbon steel to provide superior torsional strength and resistance to bowing under high torque loads. As a genuine OEM Lennox part, it ensures precise tolerance matching for blower wheel hubs and bearing