Reznor 96381 Blade

The Reznor 96381 replacement fan blade is a critical component for maintaining specified airflow and static pressure in industrial unit heaters. This 20-inch 4-blade axial fan is engineered with a 23-degree pitch to optimize CFM output while minimizing motor load. It features a precision-bored 1/2-inch bore diameter designed for a secure fit on standard motor shafts. Operating with a Clockwise (CW) rotation (facing the discharge), this blade ensures proper heat exchanger cooling and air distribution. Swapping a pitched or damaged blade with this factory-spec HVAC replacement part restores system efficiency and prevents premature motor failure caused by vibration or imbalance. Built for high-static environments, the aluminum construction provides durability against the constant thermal cycling typical in Reznor garage and warehouse heaters. Technicians should verify Reznor 96381 compatibility with specific model numbers to ensure the 23-degree rake meets the original performance curve requirements.

Key Benefits

• Optimized Airflow: The 23-degree blade pitch is calibrated to provide consistent CFM without overloading the drive motor.
• Industrial Build: Heavy-gauge construction resists warping under high-velocity air movement and temperature fluctuations.
• Direct Fit: Precisely machined 1/2" bore ensures concentric rotation, reducing mechanical noise and bearing wear.
• OEM Reliability: Replacing worn components with Reznor fan blades maintains the unit's thermal safety ratings and operational efficiency.

Common Questions

What is the direction of rotation for the Reznor 96381?
This fan blade is designed for Clockwise (CW) rotation. Always verify the rotation from the discharge side (facing the air) to ensure proper airflow across the heat exchanger.

Can I use a different pitch blade for my Reznor unit?
Using a blade with a different pitch than the specified 23 degrees can result in inadequate airflow or motor burnout. Stick to the Reznor 96381 specifications to maintain the factory performance curve.

How do I ensure a secure fit on the motor shaft?
The 1/2" bore is designed for a precision fit. Ensure the shaft is free of debris and burrs. Tighten the hub set screw onto the flat portion of the motor shaft to prevent slipping 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.