Bathroom S97015162 Bathroom Exhaust Fan Motor Assembly (8" × 8-1/4" Housing, 80CFM, 2.5 Sones)
S97015162 replacement fan motor assembly with blower wheel and power cord for bathroom exhaust fans.
Technical specification chart for bathroom exhaust fan power assembly with dimensions and performance data.
Exhaust fan blower assembly showing 1480 RPM, 80 CFM airflow, and 2.5 sones quiet operation performance specifications.
Four-panel infographic showing fireplace blower fan components: ABS plastic fan, steel plate, copper coil, and power cord.
Replacement bathroom exhaust fan motor assembly and compatible Broan Nutone ventilation fan models list.
Before and after comparison showing improved bathroom ventilation and reduced moisture buildup.
Replacement bathroom exhaust fan motor and blower wheel assembly for improved ventilation and noise reduction.
Six-step infographic showing the easy installation process for a bathroom exhaust fan motor replacement.
Replacement blower motor assembly with metal mounting plate and fan wheel resting on a cardboard box.
S97015162 replacement fan motor assembly with blower wheel and power cord for bathroom exhaust fans.
Technical specification chart for bathroom exhaust fan power assembly with dimensions and performance data.
Exhaust fan blower assembly showing 1480 RPM, 80 CFM airflow, and 2.5 sones quiet operation performance specifications.
Four-panel infographic showing fireplace blower fan components: ABS plastic fan, steel plate, copper coil, and power cord.
Replacement bathroom exhaust fan motor assembly and compatible Broan Nutone ventilation fan models list.
Before and after comparison showing improved bathroom ventilation and reduced moisture buildup.
Replacement bathroom exhaust fan motor and blower wheel assembly for improved ventilation and noise reduction.
Six-step infographic showing the easy installation process for a bathroom exhaust fan motor replacement.
Replacement blower motor assembly with metal mounting plate and fan wheel resting on a cardboard box.
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S97015162 Bathroom Exhaust Fan Motor Assembly (8" × 8-1/4" Housing, 80CFM, 2.5 Sones)

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S97015162 Bathroom Exhaust Fan Motor Assembly

Key Features

  • Direct motor upgrade for Broan and NuTone bathroom exhaust fans
  • Increases airflow from 50 CFM to 80 CFM on compatible original fans
  • Reduces sound level to 2.5 Sones for quieter operation on compatible 70 CFM fans
  • Complete assembly includes motor, blower wheel, and mounting bracket
  • Installs in under 10 minutes using only a flat-head screwdriver

Replaces / Cross-Reference Part Numbers

  • S97015162
  • 97015162
  • S97015159
  • 97015159
  • 99080520

Note: S97015163 (a related 50 CFM / 2.0 Sones motor assembly for smaller housings) and S97015157 are separate, non-interchangeable part numbers, confirm the exact original part number before ordering.

Compatibility & Fitment

  • Fits Broan or NuTone bathroom exhaust fans only; not compatible with other brands
  • Requires an 8" x 8-1/4" x 5-3/4" fan housing, measure the existing housing before ordering
  • Compatible with models including 678-G, 679-E, 679L, 763, 763N, 763NC, 576, N679-E, 679FL-C, FL2679F-A, 679FLT, 770, 50NT, ED50L-D, HD50L-D, HD50-B, HD50LNT, HD50RDF, HD50RDB, DX50L, F50NT, F770, FHD50C, DX70L, and HD80L
  • Fan cover/grille not included

When to Replace

  • Motor runs loudly, grinds, or produces a burning smell during operation
  • Fan no longer moves air effectively or airflow has noticeably weakened
  • Motor fails to start or stops running intermittently
  • Upgrading an older, noisier low-CFM fan for quieter and stronger ventilation

Installation Tips

  • Turn off power to the fan at the breaker before starting installation
  • Measure the existing housing to confirm it is 8" x 8-1/4" x 5-3/4" before ordering
  • Remove the old motor assembly using a flat-head screwdriver
  • Insert the new motor assembly into the housing and secure per the included instructions
  • Reconnect the electrical connection and restore power, then test fan operation before reinstalling the cover

FAQ

This assembly is specifically designed for Broan and NuTone housings measuring 8" x 8-1/4" x 5-3/4". Before purchasing, measure the interior of your metal fan housing to ensure these dimensions match. If your housing dimensions differ, this motor will not fit.
This unit is compatible with a wide range of Broan and NuTone series, including but not limited to: 678-G, 679-E, 679L, 763, 763N, 763NC, 679FL-C, FL2679F-A, 679FLT, 50NT, ED50L-D, HD50RDF, HD50RDB, HD50L-D, HD50LNT, DX50L, DX70L, and HD80L.
This motor assembly serves as a replacement for S97015162. It also cross-references with part numbers 99080520, 97015159, 97-01-5159, and S97015159.
You likely need a new motor if your fan is making loud grinding or rattling noises, if the motor hums but the fan blade does not spin, or if the fan has stopped moving air entirely. Before replacing, ensure the fan blade is free of heavy dust buildup and that the electrical connections are secure.
Installation is generally straightforward and can usually be completed in 15–30 minutes. You will typically need a flathead screwdriver to release the motor plate clips and a pair of pliers or a nut driver to disconnect the wiring. Always turn off the power at the circuit breaker before beginning any work on the fan unit.
The most common causes of failure are bearing wear due to long-term use and the accumulation of bathroom humidity and dust. Over time, dust buildup creates friction and restricts airflow, which forces the motor to work harder and eventually leads to overheating or mechanical failure.