Lennox 47K31 Blower Wheel

Maintaining proper static pressure and airflow is critical for system longevity, and the Lennox 47K31 Blower Wheel is the professional-grade solution for restoring factory-spec performance. This 12" x 10.5" galvanized steel blower wheel features 54 precision-pitched blades designed for clockwise (CW) rotation from the hub end. Engineered with a 1/2" bore diameter, this concave hub component ensures a secure fit on direct-drive blower motors, minimizing vibration and motor bearing wear. As an authentic OEM replacement, the 47K31 is fully compatible with Lennox, Armstrong, AirEase, Ducane, and Concord equipment. It is functionally identical to part numbers 47K3101 and R02592A024. Whether you are addressing a furnace blower wheel replacement or resolving high-static issues in a commercial air handler, this wheel provides the structural integrity required for high-RPM operation. Using a genuine Lennox 47K31 ensures your HVAC blower assembly maintains the specific CFM delivery required by the manufacturer, preventing heat exchanger overheating or evaporator coil freeze-ups.

Key Benefits:

• Broad Compatibility: Direct replacement for Lennox 47K3101, R02592A024, and 20314201, covering multiple Allied Air brands.
• Optimized Airflow: Features 54 blades for maximum efficiency in direct-drive furnace motors.
• Durable Construction: Heavy-duty steel build resists corrosion and deformation under standard operating temperatures.
• Precision Balance: Factory-balanced to reduce noise and prevent premature failure of the blower motor.

Common Questions:

• What is the rotation direction of the 47K31? This wheel is designed for clockwise (CW) rotation as viewed from the hub/closed end.
• Will this fit a 1/2 inch motor shaft? Yes, the 1/2" bore is standard for the direct-drive motors typically paired with this 12-inch wheel.
• Is the set screw included? Yes, it includes the necessary hardware to lock the hub onto the flat of the motor shaft.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.