NBK-20533 115V Convection Blower Motor – Dayton 1TDU8 / Fasco A212 Replacement

NBK-20533 – 115V Convection Blower Motor | Dayton 1TDU8, Fasco A212 / 7021-6108, Earth Stove, Jotul, Hitzer & More

Replace a worn, noisy, or failed convection blower with the NBK-20533 115V Blower Motor. This centrifugal blower assembly is designed as a direct replacement for a wide range of wood stove, coal stove, fireplace, and HVAC blower applications using popular Dayton, Fasco, Earth Stove, Jotul, Hitzer, Sherwood, Vestal, Wilkening Fireplace, Gibraltar, and Rotom part numbers.

The NBK-20533 cross-references to the popular Dayton 1TDU8 / 4C826 and Fasco A212 / 7021-6108 blower families, making it an excellent replacement option when the original blower is no longer operating properly or the original part number has been discontinued.

Operating on 115V AC, this blower provides approximately 2750 RPM and 222–223 CFM airflow under its rated operating conditions. Its ball-bearing PSC motor construction is designed for dependable circulation and convection blower service.

Key Features:
• Direct Replacement Blower – Replaces numerous Dayton, Fasco, Earth Stove, Jotul, Hitzer, Sherwood, Vestal, Wilkening, Gibraltar, and Rotom blower numbers
• NBK Part Number 20533 – Easy replacement identification and cross-reference
• 115V Operation – Designed for compatible 115-volt blower applications
• Approximately 2750 RPM – Provides strong airflow for compatible convection and circulation applications
• Approximately 222–223 CFM – Designed to circulate heated air efficiently through compatible stove, fireplace, and HVAC systems
• PSC Motor Design – Permanent split capacitor motor construction
• Ball Bearing Motor – Designed for dependable blower operation
• Centrifugal Blower Design – Ideal for moving heated air through compatible appliance convection systems
• Broad Replacement Coverage – Cross-references numerous discontinued and hard-to-find OEM blower numbers
• Hearth & HVAC Applications – Suitable for compatible wood stove, coal stove, fireplace, blower/air-handler, and HVAC applications

Specifications:
• Manufacturer / Brand: NBK
• NBK Part Number: 20533
• Product Type: Centrifugal convection / circulation blower
• Voltage: 115V AC
• Frequency: 50/60 Hz
• Rated Speed: Approximately 2750 RPM at 60 Hz
• Airflow: Approximately 222–223 CFM
• Amperage: Approximately 0.60A at 60 Hz
• Motor Type: PSC – Permanent Split Capacitor
• Bearing Type: Ball bearing
• Application: Convection / circulation blower
• Rotation: Non-reversible
• Installation: Verify electrical and dimensional compatibility before installation

Direct Replacement / Cross-Reference Part Numbers:
• NBK 20533
• NBK-20533
• Dayton 1TDU8
• Dayton 4C826
• Fasco A212
• Fasco 7021-6108
• Fasco 7021-6381
• Fasco 70216381
• Fasco 71216381
• Earth Stove 7021-9025
• Jotul 7021-6465
• Sherwood 7021-10550
• Vestal Manufacturing 7021-7624
• Wilkening Fireplace 25-7607
• Wilkening Fireplace 7021-6108
• Wilkening Fireplace 7021-7931
• Wilkening Fireplace 702110550
• Wilkening Fireplace 70216108
• Wilkening Fireplace J238-200-2040
• Gibraltar 1C212
• Hitzer 354
• Hitzer 50-93
• Rotom R7-RB312

Known Hearth Applications:
• Earth Stove applications using blower number 7021-9025
• Jotul / Heritage fireplace applications using blower number 7021-6465
• Sherwood applications using blower number 7021-10550
• Vestal Manufacturing applications using blower number 7021-7624
• Wilkening Fireplace applications using the cross-reference numbers listed above
• Hitzer Model 354 coal stove applications
• Hitzer Model 50-93 coal stove applications
• Other compatible wood stove, coal stove, fireplace, and heating applications using one of the listed blower numbers

Dayton & Fasco Replacement:
The NBK-20533 is an excellent replacement option for applications originally equipped with the popular Dayton 1TDU8 / 4C826 or Fasco A212 / 7021-6108 / 7021-6381 blower assemblies.

Because many older wood stoves, fireplaces, and heating appliances were manufactured using third-party Fasco or Dayton blower assemblies, the blower number printed directly on the original motor or blower housing can often be the best way to identify the correct replacement.

Important Fitment Note:
Please verify the part number, voltage, electrical specifications, physical dimensions, mounting configuration, and blower orientation before ordering. Similar-looking centrifugal blowers may have different voltage, airflow, rotation, dimensions, or mounting arrangements and are not necessarily interchangeable.

If your original blower has a readable identification label, compare the part number directly with the replacement numbers listed above.

Common Signs of a Failing Convection Blower:
Consider replacing the blower if you notice:
• Blower motor no longer starts
• Reduced or inconsistent airflow
• Excessive motor or bearing noise
• Grinding, squealing, or rattling sounds
• Blower wheel turning slowly or intermittently
• Motor overheating or shutting down
• Increased vibration during operation
• Existing blower has seized or failed completely

What Does a Convection Blower Do?
A convection or circulation blower moves room air through or around the heated surfaces of the stove or fireplace and returns the warmed air to the living space. Proper blower operation can help distribute heat more effectively throughout the room.

A failing blower may continue to run while producing reduced airflow, or it may become noisy, intermittent, or stop operating completely. Replacing a worn blower can restore the intended forced-air circulation of the compatible heating appliance.

Installation Notes:
• Disconnect electrical power before servicing the appliance
• Allow the stove, fireplace, or heating appliance to cool completely before beginning installation
• Verify that the existing appliance operates on the correct 115V electrical supply
• Compare the original blower part number with the cross-reference numbers listed above
• Compare mounting locations and blower orientation before removing the original assembly
• Transfer or reconnect wiring only according to the appliance manufacturer's instructions
• Make sure the blower wheel rotates freely before operating the appliance
• Verify that wiring is safely routed away from hot surfaces and moving components
• Professional installation is recommended when electrical or appliance-service experience is limited

Important Electrical Safety Note:
This is an electrical replacement component. Disconnect power to the appliance before installation or service. Do not install the blower if the voltage, wiring, mounting configuration, or specifications do not match the original application.

Why Choose the NBK-20533 Blower Motor?
The NBK-20533 provides a convenient replacement for numerous popular and discontinued convection blower numbers used across hearth and HVAC equipment. Its extensive cross-reference coverage includes the widely used Dayton 1TDU8, Dayton 4C826, Fasco A212, Fasco 7021-6108, Earth Stove 7021-9025, Jotul 7021-6465, Sherwood 7021-10550, Hitzer 354 / 50-93, and Rotom R7-RB312.

Restore proper heated-air circulation with the NBK-20533 115V Convection Blower Motor.