Lennox 14W78 - Lennox 100017-05, Swept Wing Fan Blade, 26" Diameter, 3-Blade, 15 Pitch, 1/2" Bore, CCW Facing Discharge

 

Lennox 14W78 – Lennox 100017-05 swept wing fan blade is a genuine OEM condenser fan blade engineered for efficient airflow, reduced noise, and reliable performance in Lennox HVAC outdoor units. This 26-inch diameter, 3-blade swept wing design improves air movement across the condenser coil while minimizing turbulence, helping maintain proper operating temperatures and system efficiency.

Designed with a 15-degree pitch and a 1/2-inch bore, this fan blade is manufactured for precise fitment and balance. The counterclockwise (CCW) rotation with air discharge facing outward ensures correct airflow direction when installed, preventing performance loss or motor strain caused by incorrect blade orientation. Constructed from durable, corrosion-resistant materials, it is suitable for long-term outdoor use in residential and light commercial HVAC applications.

This Lennox OEM fan blade is ideal for replacing worn, bent, or damaged blades to restore original airflow performance, reduce vibration, and extend condenser motor life. Using a factory-approved replacement helps maintain manufacturer specifications and system reliability.

 

Product details:

This swept wing fan blade is a direct replacement designed to meet Lennox performance standards and is recommended for HVAC professionals and qualified technicians performing condenser fan repairs or maintenance.