Description
The Lau 00840316 (Model A12-12A) is a heavy-duty double inlet belt drive blower wheel engineered for reliable airflow performance in commercial and residential HVAC air handling applications. Its robust construction and precise engineering make it a dependable replacement or OEM-spec component for belt-driven blower assemblies.
Key Specifications
- Diameter: 12-5/8″
- Width: 12-5/8″
- Bore: 1″
- Set Screw: 1 set screw
- Keyway: 1/4″ x 1/8″
- Maximum RPM: 1800
- Rotation: CW/CCW (Clockwise and Counter-Clockwise)
- Inlet Type: Double Inlet
- Drive Type: Belt Drive
- Model: A12-12A
- SKU: 00840316
Product Features
- Double inlet design maximizes airflow efficiency and static pressure performance
- Bidirectional CW/CCW rotation for flexible installation in a wide range of blower housings
- 1″ bore with 1/4″ x 1/8″ keyway and set screw for secure shaft mounting
- Rated up to 1800 RPM for dependable high-speed belt drive operation
- Precision-balanced wheel construction reduces vibration and extends bearing life
- Direct replacement for Lau A12-12A series blower assemblies
Applications
- Commercial and residential air handling units (AHUs)
- Belt drive fan coil units
- Forced air furnace and ventilation blower assemblies
- OEM replacement in Lau A12-12A compatible housings







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