The Lennox 21W13 swept wing fan blade is an OEM replacement designed to deliver reliable airflow performance in residential and light commercial HVAC applications. Featuring a 26-inch diameter and a three-blade swept design, this blade provides smoother, quieter operation and improved efficiency compared to standard straight-blade configurations. With a 1/2-inch bore and 16-degree pitch, it installs easily on compatible condenser fan motors and restores proper air movement for stable system operation.

Engineered for Lennox systems, the 21W13 blade maintains proper airflow across the coil, helping support condenser performance, compressor longevity, and consistent cooling output. It is manufactured to OEM specifications to ensure correct fitment, balance, and durability.

 

Key Features:

 

• OEM Lennox 21W13 (100017-07) swept wing fan blade
• 26-inch diameter, 3-blade configuration for improved airflow efficiency
• 16-degree pitch and 1/2-inch bore for direct compatibility with many Lennox condenser fan motors
• CCW rotation when facing discharge
• Restores proper airflow and system cooling capability
• Durable, balanced construction for reduced vibration and long service life

 

Specifications:

 

• Model: Lennox 21W13
• Manufacturer Part Number: 100017-07
• Blade Type: Swept wing
• Blade Diameter: 26 inches
• Number of Blades: 3
• Pitch: 16 degrees
• Bore Size: 1/2 inch
• Rotation: Counterclockwise (facing discharge)
• Application: Condenser fan assemblies
• Material: Metal (OEM-grade)
• Compatibility: Select Lennox outdoor units requiring 26-inch swept wing fan blades