Blower Motor 460V A331 – Replaces Fasco A331 Lennox 97J8101 – NBK-20577

NBK-20577 – Blower Motor 460V A331 – NBK

The NBK-20577 Blower Motor is a dependable OEM-equivalent replacement designed for high-voltage HVAC blower and inducer motor applications. Operating on 460V power, this motor delivers reliable airflow performance for commercial and industrial heating systems. It is a direct replacement for the widely used Fasco A331 motor and multiple compatible Lennox and Dayton blower motor models.

Built to meet or exceed OEM specifications, the NBK-20577 provides a precise drop-in fit, making it an ideal solution for HVAC technicians servicing Lennox-compatible equipment.

Key Features

• OEM-Compatible Replacement: Direct replacement for Fasco A331 blower motor
• High-Voltage Operation: Designed for 460V commercial HVAC applications
• Reliable Airflow Performance: Supports consistent blower and inducer operation
• Durable Construction: Built for long service life in demanding HVAC environments

Specifications

• SKU: 20577
• UPC: 810069181691
• Category: Blower Motor / Inducer Motor / HVAC
• OEM Brand: Fasco
• Voltage: 460V
• Model Reference: A331
• Application: HVAC blower and inducer motor replacement

Equivalent To

• Fasco: A331, 69M3201
• Lennox: 7062-4051, 7062-4518, 7062-5554, 7062-5925, 97J8101
• Dayton: 45KD66

Why Choose the NBK-20577?

The NBK-20577 is a trusted blower motor replacement for HVAC professionals seeking OEM-level compatibility and dependable performance in high-voltage Lennox and Fasco applications. Its durable construction and direct-fit design help restore proper airflow and reduce equipment downtime.

Installation Tips

• Verify voltage and part number match the original motor before installation.
• Disconnect all power sources before servicing high-voltage HVAC blower equipment.
• Inspect wiring connections and replace worn components as needed.
• Ensure mounting hardware is secure to minimize vibration during operation.

Pairs Well With

Motor Mounting Hardware, HVAC Electrical Components, Blower Wheels & Fan Assemblies, Capacitors & Controls