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

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

this specific model is designed for chilled or hot water and glycol solutions only

How do I know if my pressure switch is failing

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

Can I use a different pitch blade if this one is out of stock

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