Description
The Lau 02694008 (Model DD11-8A) is a heavy-duty direct drive blower wheel engineered for reliable, efficient airflow in a wide range of HVAC air-handling applications. Its double inlet, convex design maximizes air intake from both sides of the wheel, delivering balanced performance and consistent static pressure across the system.
Key Specifications
- Diameter: 11-3/4″
- Width: 8″
- Bore: 1/2″
- Maximum RPM: 1,550
- Rotation: Counter-Clockwise (CCW)
- Blade Style: Convex
- Inlet Type: Double Inlet
- Drive Type: Direct Drive
- Model Number: DD11-8A
- SKU: 02694008
Features & Benefits
- Double inlet design draws air from both sides of the wheel for improved airflow efficiency and balanced operation
- Convex blade profile optimizes air movement and reduces turbulence for quieter, more efficient performance
- Direct drive configuration eliminates belt and pulley losses, reducing maintenance requirements and improving energy efficiency
- Counter-clockwise (CCW) rotation — verify motor and housing orientation before installation
- 1/2″ bore provides a secure, precise fit on compatible direct drive motor shafts
- Rated up to 1,550 RPM for safe, reliable operation within design parameters
- Durable construction suitable for residential and light commercial air handling units, fan coils, and HVAC equipment
Applications
- Replacement blower wheels for residential and commercial air handlers
- Fan coil units and central air systems
- HVAC equipment requiring direct drive, double inlet wheel configurations
Installation Notes
Always confirm CCW rotation direction matches the existing motor and housing before installation. Verify bore size and wheel dimensions against OEM specifications for a proper fit. Consult equipment documentation to ensure compatibility.
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