Home » Convection Blower Motor – Replaces Harman 3-21-33647 – NBK-20146
Harman

Convection Blower Motor – Replaces Harman 3-21-33647 – NBK-20146

Special order item - may require extra time to fulfill and ship. Special order parts are non-returnable.

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SKU: SO-20146
$156.48
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NBK-20146 – Convection Blower Motor – NBK

The NBK-20146 Convection Blower Motor is a dependable OEM-equivalent replacement designed for hearth and pellet stove convection blower applications. This motor helps circulate warm air efficiently throughout the room, improving overall heating performance and comfort. It is a direct replacement for the commonly used Harman 3-21-33647 blower motor and compatible with earlier Harman and Dayton reference models.

Built to meet or exceed OEM specifications, the NBK-20146 offers a precise fit and reliable operation, making it an ideal solution for stove technicians and homeowners servicing Harman-compatible heating appliances.

Key Features

  • OEM-Compatible Replacement: Direct replacement for Harman 3-21-33647
  • Efficient Convection Airflow: Helps distribute heat evenly throughout the space
  • Reliable Performance: Designed for consistent operation in hearth environments
  • Direct-Fit Design: Simplifies installation with minimal modification

Specifications

  • SKU: 20146
  • UPC: 810069180120
  • Category: Convection Blower Motor / Hearth Parts
  • OEM Brand: Harman
  • Replaces OEM: 3-21-33647
  • Application: Pellet stove and hearth convection blower replacement

Equivalent To

  • Harman: 3-21-33647, 3-21-22647
  • Dayton: 2C647

Why Choose the NBK-20146?

The NBK-20146 is a trusted convection blower motor replacement for Harman heating appliances requiring OEM-level compatibility and dependable airflow. Its direct replacement design helps restore efficient heat circulation and maintain consistent comfort.

Installation Tips

  • Allow the stove to cool completely before servicing blower components.
  • Disconnect power and remove the blower assembly carefully.
  • Inspect wiring connections and blower housing for wear during replacement.
  • Test airflow operation after installation to ensure proper convection performance.

Pairs Well With

Convection Blower Gaskets, Snap Disc Switches, Stove Wiring Harnesses, Pellet Stove Maintenance Supplies

SPECIAL ORDER NOTICE: This is a special order item sourced from NBK. Please allow 1–2 business days for processing prior to shipment.