A dead bathroom exhaust fan leaves steam, moisture, and odors hanging around long after your shower. Replacing only the motor can restore airflow while keeping the existing housing, but the part number, electrical rating, shaft, blower wheel, and frame dimensions must all match your fan.
These replacement options cover several common Bro-an and Nu-Tone configurations, from compact 50 CFM assemblies to larger 70 CFM motors. The CAPTIVE-AIRE option serves a different class of direct-drive exhaust equipment.
The Choices Worth Comparing
Fetechmate S99080166 BP28 Bathroom Vent Fan Motor Kit for Bro-an Nu-Tone
Fetechmate S97012026 696N-R02 B 50CFM Bathroom Exhaust Motor Assembly
Fetechmate 82229000 Bathroom Vent Fan Motor and Wheel for Bro-an Nu-Tone 9415 9425
Fetechmate BP27 S97012038 Fan Motor for Broan 678
Fetechmate S97009796 Bathroom Fan Motor Blower Assembly for Bro-an Nu-Tone
CAPTIVE-AIRE CK48HF21HF01-60-115 Direct Drive Exhaust Motor for DU50 Series
Fetechmate S0503B000 763RLN 50CFM Bathroom Exhaust Fan Motor Assembly, 9 x 9
More Details On Our Top Picks
The S99080166 BP28 is the broadest option here for many older Bro-an Nu-Tone installations, especially common 655, 657, 658, and 679 housings. Its 70 CFM rating means 70 cubic feet of air moves per minute, giving you a useful reference point when comparing airflow with the original fan.
The copper motor, CCW rotation, and broad replacement-part list make this practical for a repair-minded homeowner matching an older fixture. You still need to verify the motor label, shaft, and connector, since visually similar housings do not always accept the same assembly.
The Practical Payoff
- Supports a long list of Nu-Tone models and common replacement numbers.
- At 120 volts and 1.4 amps, it fits standard 60 Hz bathroom fan circuits.
- The 7/32-inch shaft and two-prong plug support direct replacement work.
- Its 70 CFM airflow suits larger exhaust housings better than compact 50 CFM assemblies.
Points To Note
- The long compatibility list still requires you to compare your original motor label carefully.
- Its 1-1/4-inch shaft length and counterclockwise rotation must match the existing assembly.
Key Specs
Who It Suits Best
This option suits homeowners repairing common 655, 657, 658, or 679 Nu-Tone fans who can safely match the electrical and shaft specifications.
Where Another Pick Suits Better
The Fetechmate S97012026 696N-R02 B assembly fits more compact 50 CFM fixtures with a 7-1/8-inch by 7-1/4-inch frame.
A 7-1/8-inch by 7-1/4-inch frame makes this motor assembly a better fit for compact 696N, 695, 663, and 688 series housings than the broader BP28 option. The package includes the motor, blower wheel, and mounting plate, which simplifies gathering the necessary components before opening the fixture.
Its 50 CFM output and 2.0 sone rating balance ventilation with acoustic considerations. Sones measure perceived sound, so lower numbers generally indicate quieter operation, although your duct and grille also affect the sound reaching the room.
Everyday Perks
- Includes the motor, blower wheel, and mounting plate in one assembly.
- The compact 4.5-inch blower wheel fits smaller Nu-Tone frames.
- Solid copper construction provides a sturdier alternative to aluminum.
- The 2.0-sone specification suits noise-sensitive bathrooms.
Practical Considerations
- You must confirm the original frame dimensions before ordering.
- The 696N version without the B designation is not included among the stated compatible models.
Technical Sheet
Made For
This assembly works best for compact Nu-Tone and Bro-an 663 or 688 fixtures whose original frame measures 7-1/8 inches by 7-1/4 inches.
Consider Something Else When
The Fetechmate S99080166 BP28 kit is the better match for a 70 CFM fan requiring a shorter 1-1/4-inch shaft.
The 82229000 assembly targets a distinct family of fans, including the Bro-an and Nu-Tone 9415, 9425, 9451, and H925 models. It includes the motor, blade, attached mounting bracket, and two-prong plug, giving you the main pieces needed for a component-level repair.
The copper construction is a meaningful upgrade over a conventional aluminum motor, while the included bracket reduces the need to hunt for an attachment piece. You still need to match the 2-3/8-inch shaft and blower-wheel dimensions before starting the job.
Why It Works Well
- Covers several 9415 and 9425 housing variants.
- Includes a bracket sized for the stated assembly.
- Operates at 120 volts, 60 Hz, and 3,000 RPM.
- Copper construction resists deformation and corrosion better than aluminum.
Where It May Fall Short
- The longer shaft and narrower wheel make it unsuitable for the BP27-style assembly without matching dimensions.
- You must confirm several original part numbers and the physical measurements.
- The 0.8-amp motor should not be treated as interchangeable with a 1-amp model.
Right Fit For
This assembly suits repairers of 9415, 9425, 9451, or H925 fixtures who can match the 7/32-inch by 2-3/8-inch shaft.
Not Your Match When
The Fetechmate BP27 S97012038 motor is the closer choice for Broan 678, 659, 662, and 663-series housings.
Broan 678 housings have plenty of neighboring part numbers, and the BP27 S97012038 assembly covers a broad mix of 659, 662, 663A-E, 668, 678, and 688 models. That makes it a practical choice when your old motor label has become hard to read or several part numbers appear on the housing.
The 4.5-inch blower wheel, attached plug, and 6.37-inch lead give you clear points to compare against the original assembly. The 50 CFM output remains appropriate for a standard bathroom ventilation circuit rather than a higher-flow installation.
Strong Points
- Covers numerous 663, 678, and 688 housing variants.
- The blower wheel and copper motor arrive as one assembly.
- The attached two-prong plug simplifies connection planning.
Small Caveats
- The 4.5-inch wheel and 1.73-inch center bolt must align with your housing.
- Compatibility with a 688 housing does not remove the need to check its original motor label.
Quick Facts
Best Suited To
This option fits repairers of Broan 678 and compatible 659, 662, 663, 668, or 688 fixtures with the stated mounting dimensions.
Look Elsewhere When
The Fetechmate S97009796 assembly is the better fit for a clockwise motor used in a 162 or 164 bulb-heater fan.
Some bathroom exhaust assemblies share the light with a bulb heater, and the S97009796 is built for that specific installation type. It fits numerous Bro-an Nu-Tone 162, 164, 9417DN-R, and 9427P configurations rather than the broader motor families covered by the other picks.
The 70 CFM rating preserves meaningful airflow in a 70 CFM housing, while the clockwise rotation and longer 2-3/4-inch shaft are the decisive details. You may find a visually similar motor with the wrong direction, so the original label deserves a close reading.
What Helps Most
- Designed for a wide range of 162 and 164 bulb-heater models.
- Maintains a 70 CFM airflow rating for the intended housing.
- The included two-prong plug supports a straightforward connection.
- Its 3-1/4-inch wheel and 1-1/2-inch wire leave several checks for you.
Factors To Consider
- Clockwise rotation differs from the counterclockwise direction on several other picks.
- The 7/32-inch bore and 2-3/4-inch shaft must match the original motor.
- Compatibility with additional 9417 and 9427 variants still depends on the original parameters.
Who Will Love This
This assembly suits a homeowner restoring a 70 CFM Nu-Tone bulb-heater fan with a clockwise S97009796-style motor.
A Better Fit Elsewhere
The Fetechmate S0503B000 assembly suits a 763RL or 769RL fan with a 9-inch by 9-inch bracket.
The CAPTIVE-AIRE CK48HF21HF01-60-115 serves a different class of equipment from the compact bathroom assemblies. Its half-horsepower rating, direct-drive design, and 1,625 RPM speed make it the substantial option for DU50L, DU50H, DR50L, and DR50H equipment rather than a typical residential bathroom grille.
You get a 115-volt or 230-volt configuration, a capacitor, side mounting lugs, and a double-flat shaft. A direct-drive motor transfers power to the fan without a belt, but proper matching still depends on the housing, shaft, electrical supply, and existing part number.
Bright Spots
- Half-horsepower output suits larger direct-drive exhaust equipment.
- Supports both 115V and 230V electrical configurations.
- Includes a capacitor for the replacement assembly.
Details To Watch
- This is not a standard 120V bathroom vent motor for a small grille.
- The double-flat shaft and side lugs must match the equipment.
- A 230V configuration calls for careful circuit identification and qualified electrical work.
Feature Snapshot
Built With In Mind
This motor suits service technicians or capable homeowners restoring a listed CAPTIVE-AIRE DU50 or DR50 exhaust system with matching electrical and mechanical specifications.
Another Choice May Suit
The Fetechmate S97012026 assembly is the better fit for a compact 120V bathroom fan with a 50 CFM motor and a 7-1/8-inch by 7-1/4-inch frame.
A 9-inch by 9-inch bracket immediately separates the S0503B000 from the smaller 696N and BP27 assemblies. It fits several 763RL, 763RLL, 763RLN, and 769RL configurations, including the stated 70 CFM version of the 769RL series.
The assembly pairs a copper motor with a 4.5-inch blower wheel and a 50 CFM output. Its 2.0-sone rating and reduced-vibration bearing design fit neatly into the design-focused part of this list, although your existing frame and motor label remain the deciding factors.
Noteworthy Benefits
- Uses a 9-inch by 9-inch bracket for the listed 763RL and 769RL models.
- Solid copper resists corrosion and rust.
- The 2.0-sone rating suits a shared bathroom.
- Advanced bearings support smoother, lower-vibration operation.
Trade-Offs To Consider
- You must confirm that the original bracket measures 9 inches by 9 inches.
- The stated compatibility includes a 70 CFM version of the 769RL series, so airflow labeling needs attention.
Core Details
The Right Fit
This assembly suits households with a 9-inch by 9-inch 763RL or 769RL housing and a matching 50 CFM motor label.
Reach For A Different Pick When
The Fetechmate 82229000 assembly suits a 9415 or 9425 fan that requires a 2-3/8-inch shaft and a narrower blower wheel.
Replacement Parts: What Matters Before You Order
Start With The Fixture Label
Read the label on the existing motor before removing the grille or housing. Record the model number, part number, voltage, current, airflow, rotation, and shaft dimensions. A close match on the housing brand alone does not establish that the replacement will fit.
Match Electrical And Mechanical Details
RPM indicates rotational speed, while CFM measures airflow in cubic feet per minute. These figures should agree with the original assembly. Also compare the plug, mounting bracket, blower diameter, shaft length, and rotation direction because each affects installation differently.
Confirm The Physical Footprint
Measure the frame and blower wheel rather than relying only on model listings. A 7-1/8-inch by 7-1/4-inch assembly will not suit a 9-inch by 9-inch housing, and a longer shaft can prevent the blower wheel from seating correctly.
Think Through Installation
Turn off the circuit and confirm that the power is disconnected before touching the fixture. The replacements here include varying levels of assembly, from a bare motor to a complete blower and mounting package. Electrical work involving the CAPTIVE-AIRE 230-volt configuration is best handled by someone qualified for that wiring.
Matching the Part Before Opening the Fixture
Common Shopping Slip Ups
A housing model number is only one piece of the match. Compare the replacement number, electrical rating, shaft, blower wheel, and rotation against the old motor. Do not assume every similar-looking Nu-Tone assembly uses the same connector or mounting bracket.
What Separates Premium From Basic
Copper construction, a stronger bearing design, and a complete blower-and-bracket package can justify a higher-tier replacement. The extra cost is more useful when the lower-cost option lacks the correct dimensions or requires separate parts. For a straightforward like-for-like repair, accurate compatibility matters more than added features.
Frequently Asked Questions
How do I identify my bathroom exhaust fan motor?
Read the model and part numbers from the motor label, then cross-check its voltage, amperage, RPM, shaft, and blower size. A photograph can help you record every marking before disassembly.
Can I replace just the motor instead of the whole fan?
You can replace the motor only when the housing, bracket, blower wheel, shaft, connector, and electrical details match the replacement assembly. A mismatched blower can affect fit, rotation, airflow, and sound.
What does CFM mean for a bathroom exhaust fan?
CFM means cubic feet per minute, which indicates the fan’s airflow volume. Match the replacement’s CFM rating to the original equipment and housing rather than choosing a larger figure without confirming compatibility.
What is the difference between CCW and CW motors?
CCW means counterclockwise, while CW means clockwise. The replacement must turn in the same direction as the original blower wheel, so the label and existing wheel should be checked together.
Do all these replacement motors work with 120-volt circuits?
No. Most listed bathroom assemblies use 120V, but the CAPTIVE-AIRE direct-drive motor also supports a 230V configuration. Confirm the actual electrical supply before ordering or connecting any replacement.
Final Verdict
The right replacement comes down to the label and the physical fit, not the broad Bro-an or Nu-Tone family name. Match the part number, voltage, amperage, airflow, rotation, shaft, blower diameter, and bracket, then choose the assembly that provides those exact dimensions. Your existing fan hardware should guide the decision and prevent an avoidable return.