20050 Exhaust Blower Motor 115V Replacement

When a pellet stove starts acting sluggish, noisy, or just plain uncooperative, the exhaust blower motor is often the culprit. I’ve seen it plenty of times—poor airflow, lazy startups, or that unsettling rattling sound that tells you something inside the stove is begging for retirement. That’s where the Exhaust Blower Motor 20050 comes in. Built as a reliable 115V replacement for Harman pellet stoves, it restores proper airflow so your stove can get back to doing what it’s supposed to do: heating your space efficiently without the drama.

Designed as a direct replacement for Harman 3-21-08639 and PP7313, this motor is engineered to match the performance and fit of the original component. Translation: fewer headaches during installation and a much smoother return to normal stove operation.

Why the Exhaust Blower Matters (More Than Most People Realize)

The exhaust blower motor is responsible for pulling combustion gases out of the stove and maintaining proper airflow through the burn system. When it’s working correctly, your pellet stove burns cleaner, runs more efficiently, and maintains a steady flame. When it’s not? You’ll likely notice weak combustion, excessive smoke, or inconsistent heat output.

The 20050 exhaust blower motor runs at 3000 RPM, providing the steady airflow pellet stoves rely on for safe and efficient operation. It’s also thermally protected, which helps safeguard the motor from overheating and extends its service life—because replacing parts constantly is nobody’s idea of a good time.

Built for Dependable Performance

This motor operates on 115 volts with 50/60Hz compatibility, making it suitable for standard pellet stove electrical systems. With a Class B insulation rating and a 0.98 amp draw, it balances durability with efficient power use. In other words, it’s designed to keep the exhaust system running smoothly without overworking your stove’s electrical components.

Whether you're repairing a stove that’s lost its airflow or proactively replacing a worn-out motor before heating season hits, this exhaust blower motor provides the dependable performance pellet stove owners expect.

Direct Replacement Compatibility

The Exhaust Blower Motor 20050 replaces the following Harman part numbers:

• HARMAN / 3-21-08639

• HARMAN / PP7313

If your stove uses one of these part numbers, this motor is designed to step in and do the job without modification.

Specifications:

• Voltage: 115V

• Frequency: 50/60Hz

• Amperage: 0.98A

• Speed: 3000 RPM

• Insulation Class: Class B

• Protection: Thermally Protected

Important Disclaimer

This product is a high-quality aftermarket replacement part. It is not an OEM (Original Equipment Manufacturer) branded product, and it is not manufactured by or affiliated with the original stove or motor brands listed above. Any brand names or part numbers referenced are used strictly for compatibility identification purposes only.