Description
The Lau 02694010 (Model DD11-9A) is a precision-engineered direct drive blower wheel designed for reliable, efficient airflow in a wide range of HVAC air-handling applications. With its convex blade profile and double inlet design, this wheel maximizes air delivery while minimizing turbulence and noise — making it an ideal replacement or OEM-spec component for residential and light commercial air handlers, furnaces, and fan coil units.
Key Specifications
- Diameter: 11-3/4″
- Width: 9-1/2″
- Bore Size: 1/2″
- Maximum RPM: 1,550
- Rotation: Counter-Clockwise (CCW)
- Blade Profile: Convex
- Inlet Type: Double Inlet
- Drive Type: Direct Drive
- Model: DD11-9A
- SKU: 02694010
Product Highlights
- Double inlet design draws air from both sides of the wheel for increased airflow volume and balanced static pressure performance
- Convex blade geometry promotes smooth, efficient air movement with reduced turbulence
- Direct drive configuration eliminates belt-and-pulley complexity for simplified installation and lower maintenance requirements
- 1/2″ bore accommodates standard direct drive motor shafts commonly found in residential and commercial air handlers
- Rated to 1,550 max RPM for dependable, long-service operation within design parameters
- CCW rotation — verify motor shaft rotation before installation to ensure proper airflow direction
- Manufactured by Lau, a trusted name in HVAC blower wheel technology
Typical Applications
- Residential and commercial air handlers
- Forced-air furnaces
- Fan coil units
- Ventilation and air circulation systems requiring double inlet blower wheels
Installation Notes
Always confirm rotation direction (CCW) matches your motor and housing before installation. Ensure the motor shaft diameter is compatible with the 1/2″ bore. Do not exceed the 1,550 RPM maximum speed rating to maintain safe and efficient operation.
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