Rheem-Ruud 70-42572-01 Fan Blade
The Rheem-Ruud 70-42572-01 is a precision-engineered OEM replacement condenser fan blade designed for high-static pressure applications in residential and light commercial HVAC units. Featuring a 24-inch diameter and a 22-degree pitch, this 3-blade assembly is optimized for CW rotation (clockwise) to maintain efficient airflow across the condenser coils. The 1/2-inch bore is positioned on the discharge side, ensuring a secure fit on standard motor shafts and reducing vibration during high-RPM operation. Built from heavy-gauge aluminum to resist corrosion and structural fatigue, this blade is a critical component for restoring factory-spec HVAC cooling efficiency. When performing a condenser fan motor repair, matching the exact pitch and diameter is essential to prevent motor overloading and ensure proper heat dissipation. This Rheem-Ruud replacement part is the standard for maintaining system head pressure and overall cycle reliability in compatible air conditioning and heat pump systems.
Key Benefits
- Optimized Airflow Dynamics: The 22-degree pitch is calibrated to maximize CFM (Cubic Feet per Minute) while minimizing acoustic signatures during operation.
- Durable Construction: High-grade aluminum blades provide long-term resistance to environmental stressors and prevent blade "flutter" under load.
- Direct OEM Compatibility: Ensures seamless integration with Rheem-Ruud condensing units, maintaining the original engineering specifications of the system.
- Precision Balance: Factory-balanced to reduce stress on the condenser fan motor bearings, extending the service life of the entire drive assembly.
Common Questions
What happens if I install a fan blade with the wrong pitch?
Installing a blade with an incorrect pitch will change the torque requirements on the motor. A steeper pitch can lead to motor overheating and premature failure, while a shallower pitch will result in insufficient airflow and high head pressure.
How do I verify the rotation direction for the 70-42572-01?
This specific model is a CW rotation fan blade. Rotation is typically determined by looking at the discharge side (the side air is blowing toward). Always verify the motor lead wiring and rotation arrow before finalizing the installation.
Does this fan blade include the hub set screw?
Yes, the 1/2-inch hub includes the necessary set screw to secure the blade to the motor flat, ensuring a slip-free connection during high-torque startups.
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.
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