Carrier LA22ZA118 Blower Wheel

The Carrier LA22ZA118 Blower Wheel is a precision-engineered OEM replacement part designed for high-static pressure applications in Carrier, Bryant, and Payne furnaces and air handlers. This 12x10 blower wheel features a 1/2 inch bore and is balanced to deliver consistent airflow while minimizing vibration-related mechanical stress. With a clockwise (CW) rotation (when viewed from the hub end), this centrifugal blower wheel is the primary driver for air distribution across the heat exchanger or evaporator coil.

Replacing a damaged or out-of-balance squirrel cage is critical for preventing premature blower motor failure and maintaining system efficiency. The LA22ZA118 is built with heavy-duty galvanized steel blades, ensuring structural integrity during high-RPM operation. It serves as a direct cross-reference for older part numbers, including LA22RA103, LA22LA020, and P441-1141. For contractors performing a furnace repair, verifying the hub position and rotation is essential to ensure identical performance to the factory-installed component.

• Optimized Airflow: Precision-curved blades maximize CFM output to ensure even temperature distribution across the structure.
• Vibration Reduction: Factory-balanced design prevents bearing wear on the motor shaft and reduces operational noise.
• Broad Compatibility: Fits a wide range of Carrier 330AAV, 340MAV, and 58DFA series units, providing a seamless field fit.
• Durable Construction: Corrosion-resistant materials withstand the rigorous temperature cycles of residential HVAC systems.

How do I confirm the rotation of my existing wheel?
Rotation is determined by looking at the blower wheel from the hub side. This Carrier blower wheel is designed for clockwise (CW) rotation. Always verify the rotation arrow on the original housing or motor label before installation.

What are the signs that a blower wheel needs replacement?
Technicians should look for high-pitched squealing, rattling noises, or excessive vibration at the blower deck. Physical inspection often reveals bent blades or heavy particulate buildup that cannot be cleaned without affecting the balance.

Will this wheel fit a 1/2" motor shaft?
Yes, this 12 inch blower wheel is equipped with a standard 1/2 inch bore and includes a high-torque set screw for secure attachment to 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.