Lennox 21793 – Lennox LB-29333BBA Direct Drive Blower Wheel, 12 x 9" x 1/2" Bore

 

The Lennox LB-29333BBA direct drive blower wheel is an OEM replacement component engineered to restore proper airflow performance in compatible Lennox heating and cooling systems. With a 12-inch diameter, 9-inch width, and a precision-machined 1/2-inch bore, this blower wheel is designed for balanced, vibration-free rotation that supports efficient furnace and air handler operation.

Manufactured to Lennox OEM specifications, the LB-29333BBA blower wheel helps maintain system efficiency, stable airflow, and reliable indoor comfort. The durable construction ensures long-lasting performance while minimizing noise and reducing strain on the blower motor. Ideal for repairs, seasonal maintenance, or full system restoration, this blower wheel provides the airflow output required for optimal HVAC system function.

 

Key features

• OEM Lennox direct drive blower wheel for precise, reliable airflow
• 12-inch diameter and 9-inch width for correct system air volume
• 1/2-inch bore designed for secure motor shaft fit
• Balanced for reduced vibration and quieter operation
• Supports proper system efficiency and long-term performance
• Suitable for residential and light commercial Lennox HVAC units

 

Technical specifications

• Part number: 21793
• Catalog/Model: LB-29333BBA
• Type: Direct drive blower wheel
• Diameter: 12 inches
• Width: 9 inches
• Bore size: 1/2 inch
• Application: Lennox furnaces and air handlers

 

This Lennox OEM blower wheel is a dependable replacement when airflow is reduced, noise levels increase, or the existing wheel shows wear or imbalance. Ideal for contractors and homeowners seeking original Lennox quality and performance.