Trane WHL1999 12.78×9.5 CCW Blower Wheel, 1/2″ Bore

Description

The Trane WHL1999 is an OEM replacement blower wheel engineered to restore proper airflow performance in compatible Trane HVAC systems. Featuring a 12.78″ diameter and 9.5″ width, this counterclockwise (CCW) rotating wheel is precision-balanced to deliver consistent, efficient air movement with minimal vibration and noise.

Key Features

• OEM Trane replacement blower wheel for reliable, like-for-like performance
• 12.78″ wheel diameter x 9.5″ wheel width for high-volume airflow delivery
• Counterclockwise (CCW) rotation — verify rotation direction before installation
• 1/2″ bore for secure, precise shaft engagement
• Precision-balanced construction minimizes vibration and extends motor bearing life
• Durable build quality suited for residential and light commercial HVAC applications

Specifications

• SKU: WHL1999
• Brand: Trane
• Wheel Diameter: 12.78″
• Wheel Width: 9.5″
• Rotation: Counterclockwise (CCW)
• Bore Size: 1/2″

Installation Notes

Always confirm the rotation direction and bore size of the original wheel before ordering. Proper shaft alignment and secure set-screw tightening are essential for safe, vibration-free operation. Consult your Trane equipment service manual for torque specifications and installation procedures.