Lennox 40F83 Wheel
The Lennox 40F83 is a precision-engineered direct drive blower wheel designed for high-performance air circulation in residential and light commercial HVAC systems. This centrifugal fan blade assembly features a 10 5/8-inch diameter and a 6-inch width with a CW rotation (clockwise), specifically weighted at 6.65 lbs to ensure rotational stability. With 48 individual blades, this 1/2" bore wheel is built to integrate directly onto the motor shaft, eliminating the mechanical losses associated with belt-driven systems. Manufactured as a factory-authorized replacement (OEM part LB-29333BBJ), it provides exact fitment for numerous Lennox air handler and furnace models, including the GS11Q3E, GS15X, and CBX26UH series. For contractors, this wheel is the standard choice for restoring factory-spec static pressure and airflow efficiency in systems experiencing vibration, noise, or reduced CFM performance due to failed or unbalanced blowers.
Key Benefits
- Precision Balancing: Factory-set balance prevents blower motor bearing wear and minimizes cabinet resonance.
- Direct Drive Efficiency: The 1/2 inch bore allows for a secure, slip-free connection directly to the motor shaft for maximum torque transfer.
- High-Blade Count Design: Features 48 blades to optimize air movement and maintain consistent static pressure throughout the ductwork.
- OEM Compatibility: Replaces Lennox part number 40F83 and LB-29333BBJ, ensuring a drop-in installation without field modifications.
Common Questions
What are the signs that a Lennox 40F83 blower wheel needs replacement?
Technicians should look for hairline fractures in the hub, excessive vibration during the startup cycle, or "caking" of debris on the blades that cannot be cleaned, which throws the wheel out of balance and stresses the motor.
Is the rotation reversible on this specific model?
No, this is a fixed CW (clockwise) rotation wheel. Attempting to run this in a CCW application will result in severely diminished airflow and potential motor overheating due to the aerodynamic profile of the 48 blades.
Does this wheel include the set screw for the motor shaft?
Most OEM-spec 40F83 wheels include the set screw pre-installed in the hub for 1/2" shaft fitment, but it is best practice to inspect the old shaft for burrs before sliding the new wheel into place.
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.
Lennox 40F83 Wheel
The Lennox 40F83 is a precision-engineered direct drive blower wheel designed for high-performance air circulation in residential and light commercial HVAC systems. This centrifugal fan blade assembly features a 10 5/8-inch diameter and a 6-inch width with a CW rotation (clockwise), specifically weighted at 6.65 lbs to ensure rotational stability. With 48 individual blades, this 1/2" bore wheel is built to integrate directly onto the motor shaft, eliminating the mechanical losses associated with belt-driven systems. Manufactured as a factory-authorized replacement (OEM part LB-29333BBJ), it provides exact fitment for numerous Lennox air handler and furnace models, including the GS11Q3E, GS15X, and CBX26UH series. For contractors, this wheel is the standard choice for restoring factory-spec static pressure and airflow efficiency in systems experiencing vibration, noise, or reduced CFM performance due to failed or unbalanced blowers.
Key Benefits
- Precision Balancing: Factory-set balance prevents blower motor bearing wear and minimizes cabinet resonance.
- Direct Drive Efficiency: The 1/2 inch bore allows for a secure, slip-free connection directly to the motor shaft for maximum torque transfer.
- High-Blade Count Design: Features 48 blades to optimize air movement and maintain consistent static pressure throughout the ductwork.
- OEM Compatibility: Replaces Lennox part number 40F83 and LB-29333BBJ, ensuring a drop-in installation without field modifications.
Common Questions
What are the signs that a Lennox 40F83 blower wheel needs replacement?
Technicians should look for hairline fractures in the hub, excessive vibration during the startup cycle, or "caking" of debris on the blades that cannot be cleaned, which throws the wheel out of balance and stresses the motor.
Is the rotation reversible on this specific model?
No, this is a fixed CW (clockwise) rotation wheel. Attempting to run this in a CCW application will result in severely diminished airflow and potential motor overheating due to the aerodynamic profile of the 48 blades.
Does this wheel include the set screw for the motor shaft?
Most OEM-spec 40F83 wheels include the set screw pre-installed in the hub for 1/2" shaft fitment, but it is best practice to inspect the old shaft for burrs before sliding the new wheel into place.
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.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Lennox 40F83 is a precision-engineered direct drive blower wheel designed for high-performance air circulation in residential and light commercial HVAC systems. This centrifugal fan blade assembly features a 10 5/8-inch diameter and a 6-inch width with a CW rotation (clockwise), specifically weighted at 6.65 lbs to ensure rotational stability. With 48 individual blades, this 1/2" bore wheel is built to integrate directly onto the motor shaft, eliminating the mechanical losses associated with belt-driven systems. Manufactured as a factory-authorized replacement (OEM part LB-29333BBJ), it provides exact fitment for numerous Lennox air handler and furnace models, including the GS11Q3E, GS15X, and CBX26UH series. For contractors, this wheel is the standard choice for restoring factory-spec static pressure and airflow efficiency in systems experiencing vibration, noise, or reduced CFM performance due to failed or unbalanced blowers.
Key Benefits
- Precision Balancing: Factory-set balance prevents blower motor bearing wear and minimizes cabinet resonance.
- Direct Drive Efficiency: The 1/2 inch bore allows for a secure, slip-free connection directly to the motor shaft for maximum torque transfer.
- High-Blade Count Design: Features 48 blades to optimize air movement and maintain consistent static pressure throughout the ductwork.
- OEM Compatibility: Replaces Lennox part number 40F83 and LB-29333BBJ, ensuring a drop-in installation without field modifications.
Common Questions
What are the signs that a Lennox 40F83 blower wheel needs replacement?
Technicians should look for hairline fractures in the hub, excessive vibration during the startup cycle, or "caking" of debris on the blades that cannot be cleaned, which throws the wheel out of balance and stresses the motor.
Is the rotation reversible on this specific model?
No, this is a fixed CW (clockwise) rotation wheel. Attempting to run this in a CCW application will result in severely diminished airflow and potential motor overheating due to the aerodynamic profile of the 48 blades.
Does this wheel include the set screw for the motor shaft?
Most OEM-spec 40F83 wheels include the set screw pre-installed in the hub for 1/2" shaft fitment, but it is best practice to inspect the old shaft for burrs before sliding the new wheel into place.
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.
