Sterling 11J34R06999-105 18" Diameter 4-Blade HVAC Fan Blade 35 Degree Pitch CW Rotation

The Sterling 11J34R06999-105 is an OEM replacement fan blade designed for commercial and industrial HVAC heating systems. This fan blade is engineered to enhance airflow and efficiency in various HVAC systems, making it an essential component for maintaining optimal heating performance in Sterling, Beacon-Morris, and compatible Mestek heating equipment.

Key Specifications:

• 18-inch diameter for increased airflow capacity
• Four blades to ensure smooth and quiet operation
• 35-degree pitch angle optimized for efficient air movement
• Clockwise (CW) rotation direction
• 5/8-inch bore for secure motor shaft mounting
• Cross-reference numbers: 6148560001, J34-06999-105

This genuine OEM fan blade is precision-engineered to match factory specifications, ensuring proper balance, reduced vibration, and dependable long-term performance. The four-blade design provides excellent air distribution while maintaining quiet operation, making it suitable for commercial heating applications, warehouses, workshops, and industrial facilities. Installation requires matching the bore size to your motor shaft and confirming rotation direction for proper airflow.