Lennox 37L50 Fan Blade
The Lennox 37L50 HVAC Fan Blade is a standard replacement component designed for high-efficiency airflow in residential and light commercial condensing units. This 18-inch diameter condenser fan blade features a 4-blade configuration with a 1/2-inch bore, engineered to maintain precise static pressure and optimize heat transfer across the coil. Constructed from heavy-duty aluminum to resist corrosion and stress-cracking, the 37L50 is a direct OEM replacement fan blade for various Lennox, Armstrong, and AirEase units. When replacing a bent or unbalanced fan blade, ensuring the correct pitch and rotation is critical to prevent premature motor bearing failure and excessive vibration. This 4-blade axial fan is balanced to industrial standards, ensuring quiet operation and consistent CFM delivery. For contractors performing scheduled maintenance or emergency repairs, verifying the Lennox replacement part number ensures seamless compatibility with existing fan motors and motor mounts, maintaining the original system's SEER rating and operational efficiency.
- Precision Balanced: Reduces vibration and extends the operational life of the condenser fan motor.
- High-Grade Aluminum: Provides superior corrosion resistance in harsh outdoor environments.
- Direct OEM Fit: Ensures exact pitch and blade depth for specified Lennox and Allied Air equipment.
- Optimized Airflow: The 4-blade design maximizes cubic feet per minute (CFM) while minimizing acoustic output.
Common Technical Questions
What is the bore size and rotation for the 37L50 fan blade?
The 37L50 features a 1/2-inch bore for standard motor shafts. It is essential to verify the rotation (CW or CCW) against your specific motor's lead-end or shaft-end orientation before installation.
Can I use this blade on a non-Lennox unit?
While the 18-inch diameter and 1/2-inch bore are standard, the blade pitch is calibrated specifically for Lennox airflow requirements. Cross-referencing the original part number is necessary to avoid motor overloading.
Why is my fan blade vibrating after installation?
Vibration usually indicates an improper seating on the motor shaft or a mismatch in blade pitch. Ensure the hub is tightened to the manufacturer's torque specifications and the blade is positioned at the correct depth within the venturi.
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.
Original: $371.70
-65%$371.70
$130.09Lennox 37L50 Fan Blade
The Lennox 37L50 HVAC Fan Blade is a standard replacement component designed for high-efficiency airflow in residential and light commercial condensing units. This 18-inch diameter condenser fan blade features a 4-blade configuration with a 1/2-inch bore, engineered to maintain precise static pressure and optimize heat transfer across the coil. Constructed from heavy-duty aluminum to resist corrosion and stress-cracking, the 37L50 is a direct OEM replacement fan blade for various Lennox, Armstrong, and AirEase units. When replacing a bent or unbalanced fan blade, ensuring the correct pitch and rotation is critical to prevent premature motor bearing failure and excessive vibration. This 4-blade axial fan is balanced to industrial standards, ensuring quiet operation and consistent CFM delivery. For contractors performing scheduled maintenance or emergency repairs, verifying the Lennox replacement part number ensures seamless compatibility with existing fan motors and motor mounts, maintaining the original system's SEER rating and operational efficiency.
- Precision Balanced: Reduces vibration and extends the operational life of the condenser fan motor.
- High-Grade Aluminum: Provides superior corrosion resistance in harsh outdoor environments.
- Direct OEM Fit: Ensures exact pitch and blade depth for specified Lennox and Allied Air equipment.
- Optimized Airflow: The 4-blade design maximizes cubic feet per minute (CFM) while minimizing acoustic output.
Common Technical Questions
What is the bore size and rotation for the 37L50 fan blade?
The 37L50 features a 1/2-inch bore for standard motor shafts. It is essential to verify the rotation (CW or CCW) against your specific motor's lead-end or shaft-end orientation before installation.
Can I use this blade on a non-Lennox unit?
While the 18-inch diameter and 1/2-inch bore are standard, the blade pitch is calibrated specifically for Lennox airflow requirements. Cross-referencing the original part number is necessary to avoid motor overloading.
Why is my fan blade vibrating after installation?
Vibration usually indicates an improper seating on the motor shaft or a mismatch in blade pitch. Ensure the hub is tightened to the manufacturer's torque specifications and the blade is positioned at the correct depth within the venturi.
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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Description
The Lennox 37L50 HVAC Fan Blade is a standard replacement component designed for high-efficiency airflow in residential and light commercial condensing units. This 18-inch diameter condenser fan blade features a 4-blade configuration with a 1/2-inch bore, engineered to maintain precise static pressure and optimize heat transfer across the coil. Constructed from heavy-duty aluminum to resist corrosion and stress-cracking, the 37L50 is a direct OEM replacement fan blade for various Lennox, Armstrong, and AirEase units. When replacing a bent or unbalanced fan blade, ensuring the correct pitch and rotation is critical to prevent premature motor bearing failure and excessive vibration. This 4-blade axial fan is balanced to industrial standards, ensuring quiet operation and consistent CFM delivery. For contractors performing scheduled maintenance or emergency repairs, verifying the Lennox replacement part number ensures seamless compatibility with existing fan motors and motor mounts, maintaining the original system's SEER rating and operational efficiency.
- Precision Balanced: Reduces vibration and extends the operational life of the condenser fan motor.
- High-Grade Aluminum: Provides superior corrosion resistance in harsh outdoor environments.
- Direct OEM Fit: Ensures exact pitch and blade depth for specified Lennox and Allied Air equipment.
- Optimized Airflow: The 4-blade design maximizes cubic feet per minute (CFM) while minimizing acoustic output.
Common Technical Questions
What is the bore size and rotation for the 37L50 fan blade?
The 37L50 features a 1/2-inch bore for standard motor shafts. It is essential to verify the rotation (CW or CCW) against your specific motor's lead-end or shaft-end orientation before installation.
Can I use this blade on a non-Lennox unit?
While the 18-inch diameter and 1/2-inch bore are standard, the blade pitch is calibrated specifically for Lennox airflow requirements. Cross-referencing the original part number is necessary to avoid motor overloading.
Why is my fan blade vibrating after installation?
Vibration usually indicates an improper seating on the motor shaft or a mismatch in blade pitch. Ensure the hub is tightened to the manufacturer's torque specifications and the blade is positioned at the correct depth within the venturi.
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.
