Carrier LA22LA138 Blower Wheel

The Carrier LA22LA138 Blower Wheel is a high-performance direct drive blower wheel engineered for precise airflow management in commercial and residential HVAC units. This OEM replacement part is built to maintain the static pressure requirements of Carrier, Bryant, and Payne equipment, specifically designed for compatibility with the 48HJD017-5B0 model series. Featuring a 12-5/8 inch diameter and a 12-7/8 inch width, this double hub blower wheel is constructed from durable galvanized steel to resist corrosion and ensure structural integrity under high-static conditions. The 1-7/16 inch bore allows for a secure fit on the motor shaft, while the reversible rotation capability provides versatility for various housing configurations. Veteran technicians recognize this 12-12BD series component for its dynamically balanced blades, which are essential for minimizing vibration and preventing premature bearing wear on the blower motor. Replacing a warped or fouled wheel with this genuine Carrier part restores CFM delivery to factory specifications, ensuring optimal heat transfer across the evaporator or heat exchanger.

• Optimized Airflow Efficiency: The precisely pitched blades of this 12-inch blower wheel ensure consistent CFM delivery, reducing the load on the motor.
• Reduced System Vibration: Factory balancing eliminates the common "wobble" that leads to noisy operation and mechanical fatigue in HVAC blower assemblies.
• Corrosion Resistance: Heavy-duty galvanized steel construction ensures long-term reliability in high-humidity environments.
• Oversized Bore Design: The 1-7/16" shaft diameter compatibility ensures a tight, slip-free connection using the integrated set screw.

Is the LA22LA138 compatible with multiple brands?
Yes, as a genuine Carrier HVAC part, it is the direct replacement for specific Bryant and Payne rooftop units and air handlers that call for the 12-12BD wheel configuration.

How do I confirm the rotation of this wheel?
This model features a reversible rotation design with a double hub, allowing it to be adapted to the specific directional requirements of your blower housing during installation.

What are the signs that a blower wheel needs replacement?
Contractors should look for weak airflow, unusual rattling or scraping noises, or visible debris buildup and blade deformation that can no longer be corrected by cleaning.

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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.