Lennox 44L55 Belt

The Lennox 44L55 Belt, also identified as the BELT-A44, is a high-performance A-Section V-Belt engineered for heavy-duty industrial and commercial HVAC applications. Built to strict OEM specifications, this 46-inch V-belt features a 1/2-inch top width and a 5/16-inch thickness, ensuring a precise fit within standard pulleys to prevent slippage and energy loss. As a veteran-grade HVAC blower motor belt, it is constructed with heat and oil-resistant compounds, providing the durability required for high-ambient rooftop environments and continuous-duty cycles. This replacement drive belt facilitates efficient power transfer from the motor to the blower assembly, maintaining critical airflow and system static pressure. Whether you are performing seasonal maintenance or a corrective repair, the A44 V-belt offers the dimensional stability and tensile strength necessary to eliminate harmonic vibration and extend the service life of your blower bearings and motor shafts.

• Industrial-Grade Durability: Engineered with oil and heat-resistant materials to withstand the rigorous demands of commercial air handlers.
• Precise Power Transfer: The A-section profile ensures optimal wedging action in the pulley, maximizing torque transmission.
• Reduced Maintenance: High tensile cords minimize stretching, reducing the frequency of manual tension adjustments.
• Quiet Operation: Precision-molded construction helps eliminate belt "slap" and vibration for a quieter mechanical room.

What are the exact dimensions of the Lennox 44L55?
The Lennox 44L55 is an A44 belt, featuring an outer circumference of 46 inches and a top width of 1/2 inch (A-section).

Can I use this for fractional horsepower motors?
While often used in 1 HP+ industrial applications, this 4L460 cross-reference belt is suitable for any HVAC drive system requiring 1/2-inch width A-series belts.

How do I know when to replace my blower belt?
Inspect the belt for glazing, sidewall cracks, or fraying. If you notice a drop in airflow or hear squealing upon startup, it is time for a replacement HVAC belt.

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.