Carrier LA22ZA127 Blower Wheel

The Carrier LA22ZA127 Blower Wheel is a critical OEM replacement part designed for high-static pressure applications in Carrier, Bryant, and Payne furnaces and air handlers. Featuring an 11-inch diameter and a 10.5-inch width, this double-inlet blower wheel is engineered for clockwise (CW) rotation and mounts via a 1/2-inch bore. For master technicians, maintaining precise balance is non-negotiable; this wheel is factory-balanced to minimize harmonic vibration, protecting the blower motor shaft and bearings from premature failure. When a squirrel cage fan develops structural fatigue or heavy particulate buildup, it compromises CFM output and increases amperage draw. Swapping in a genuine LA22ZA127 ensures your HVAC blower assembly maintains original equipment specifications for airflow and static pressure. This direct-fit component eliminates the alignment headaches common with universal alternatives, ensuring a clean seat on the motor shaft and proper clearance within the blower housing.

• Direct OEM Compatibility: Specifically engineered for Carrier 315AAV series and related high-efficiency air handlers.
• Acoustic Performance: Precision-balanced blades reduce HVAC system noise and mechanical resonance during startup and high-speed operation.
• Optimized Airflow: Restores factory-spec CFM delivery, preventing frozen evaporator coils and ensuring proper heat exchanger temperature rise.
• Heavy-Duty Construction: Built to withstand the torque of high-horsepower blower motors without blade deflection or hub slipping.

• What is the exact rotation for this model? This wheel is designed for CW (Clockwise) rotation as viewed from the hub/bore side. Verify your existing wheel's concave blade orientation before installation.
• Will this fit a 3/4-inch motor shaft? No, the LA22ZA127 features a 1/2-inch bore. Attempting to modify the hub will void technical tolerances and cause dangerous imbalances.
• What are the signs of a failing blower wheel? Look for systemic vibration, uneven airflow at the registers, or "hunting" noises that indicate the wheel is out of round or has a compromised hub.

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.