20577 Dayton/45KD66 Blower Motor 460V

If your HVAC system isn’t moving air the way it should, the blower motor is often the culprit. The Blower Motor 20577 – 460V Replacement for Lennox, Dayton & Fasco is designed to restore dependable airflow and keep your heating or ventilation system operating smoothly. Built for reliability and consistent performance, this motor provides a durable aftermarket replacement for several commonly used OEM blower motors.

Designed to handle demanding HVAC environments, this 460-volt blower motor delivers the steady airflow required for proper system efficiency. Whether you’re replacing a worn-out motor in a commercial air handler or maintaining an existing HVAC setup, this motor offers the performance and dependability professionals expect.

Reliable Performance for Demanding HVAC Systems

This blower motor operates on 460 volts and supports 50/60Hz cycles, making it suitable for a range of commercial or industrial HVAC systems. With an RPM of 2800/3200, it provides strong, consistent airflow that helps maintain optimal temperature distribution and system efficiency.

The Class B insulation rating helps protect the motor under normal operating conditions, while the thermally protected design adds an extra layer of safety by preventing overheating. These built-in safeguards contribute to longer motor life and reduced maintenance concerns.

Designed for Long-Lasting Operation

Durability matters when it comes to blower motors. This replacement motor is engineered to perform reliably in systems that require steady, continuous airflow. The balanced construction helps minimize vibration, while quality internal components ensure smooth and efficient motor operation.

Whether you're maintaining a commercial HVAC unit or replacing a failed blower assembly, this motor provides the dependable performance required to keep air moving efficiently throughout the system.

Direct Replacement Compatibility

The Blower Motor 20577 is designed as a direct replacement for several OEM part numbers, making it easier to restore system functionality without complicated modifications.

Direct Replacement for:

• DAYTON / 45KD66

• FASCO / 69M3201

• FASCO / A331

• LENNOX / 7062-4051

• LENNOX / 7062-4518

• LENNOX / 7062-5554

• LENNOX / 7062-5925

• LENNOX / 97J8101

Specifications:

• Volts: 460V

• Class: B

• Cycles: 50/60Hz

• AMPS: 0.31/0.33

• RPM: 2800/3200

• Thermally Protected

Why Choose the 20577 Blower Motor?

A properly functioning blower motor is essential for maintaining consistent airflow and system efficiency. The 20577 replacement blower motor is built to deliver reliable operation, strong airflow performance, and long-lasting durability in compatible HVAC systems.

If your existing motor is noisy, overheating, or failing to maintain airflow, replacing it with a compatible, high-quality motor like the 20577 can help restore your system’s performance and reliability.

Disclaimer:

This is an aftermarket replacement part designed to replace the original manufacturer’s component. Brand names and part numbers are used strictly for compatibility and identification purposes only. This product is not manufactured by or affiliated with Lennox, Dayton, or Fasco.