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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