Description
The Lau 00851912 (Model A9-9A) is a heavy-duty double inlet, belt drive blower wheel engineered for reliable airflow performance in commercial and residential HVAC air handling applications. With a 9-1/2″ diameter and 9-1/2″ width, this wheel delivers balanced, high-volume air movement in a compact footprint, making it a versatile replacement or OEM-spec component for a wide range of blower assemblies.
Key Features
- 9-1/2″ diameter x 9-1/2″ wide double inlet design for maximum airflow efficiency
- 3/4″ bore for compatibility with standard belt drive blower shafts
- Secured with 1 set screw for fast, tool-accessible installation
- 3/16″ x 3/32″ keyway for positive, slip-resistant shaft engagement
- 2,400 maximum RPM rating for high-speed blower applications
- CW/CCW (clockwise and counter-clockwise) rotation capability for flexible installation orientation
- Belt drive configuration for variable speed and torque applications
Specifications
- SKU: 00851912
- Model: A9-9A
- Brand: Lau
- Wheel Diameter: 9-1/2″
- Wheel Width: 9-1/2″
- Bore Size: 3/4″
- Set Screws: 1
- Keyway: 3/16″ x 3/32″
- Maximum RPM: 2,400
- Rotation: CW/CCW
- Inlet Type: Double Inlet
- Drive Type: Belt Drive
Applications
Ideal for use in commercial air handlers, fan coil units, furnace blower assemblies, and other belt drive HVAC systems requiring a reliable double inlet wheel. The CW/CCW rotation flexibility allows this wheel to serve as a universal replacement across a broad range of equipment configurations.
