Bghdas S97015162 Motor Upgrade for Broan NuTone Fans — 110 CFM, 4 Sones, 8x8 Housing

Upgrade your Broan NuTone bathroom exhaust experience with the Bghdas S97015162 motor upgrade assembly. Built to refresh select models that use an 8" x 8-1/4" housing, this replacement blends stronger airflow with quieter operation and durability. If you’re renovating a bath or just replacing a worn motor, this upgrade aims to deliver a practical balance of performance and reliability without overselling guarantees.

Compatibility at a glance

The S97015162 motor upgrade assembly is compatible with a wide range of Broan NuTone fans, including the following models:

• 678-G/2678F-A
• 683-C
• 683L-A
• 684-D/2684F-A
• 684NT-A
• F784-A
• 679FL-C/FL2679F-A
• 676-D/2676F-A
• 770
• 770RLTK
• DX70L
• 685-A
• 754SNNT-B
• 741SNNT
• 741WHNT-C

Before you install

Before purchasing or mounting the upgrade, confirm your housing dimensions: 8" × 8-1/4" with a depth of 5-3/4". For effective moisture control, consider your bathroom size when selecting a fan. A general rule is at least 1 CFM per square foot; for a 75 sq. ft. bathroom, a fan in the 80 CFM range is reasonable, while a 110 CFM model can accelerate moisture removal.

Not compatible with

• 676-A
• 676-B
• 676-C
• 676-I
• 676-K
• 676-S
• 676F-A
• 676F-B
• 676F-C
• 684-A
• 684-B
• 684-C
• 684F-A
• 684F-B
• 684F-C

Specifications and fit

• Housing dimensions: 8" × 8.25"; fan diameter: 5.5"; fan height: 2.75"
• Can be adapted to 8"×8-1/4"×5-3/4" J-housing

Performance and build

The S97015162 features an upgraded squirrel cage design that delivers up to 110 CFM airflow with at least a 60% efficiency boost compared to certain older assemblies. Noise remains low at about 4 Sones, supporting a less intrusive bathroom environment. A starting capacitor enables quick starts and steady operation, contributing to energy efficiency with an estimated 40% energy savings under typical use. The assembly employs an aluminum alloy frame, a nylon blower wheel, and a pure copper rotor, combining durability with OEM-grade reliability.

What this means in real life

Expect quicker moisture control when you flip the switch, smoother airflow during operation, and lasting performance due to sturdy materials. It’s designed to feel like a practical upgrade rather than a dramatic overhaul, helping you refresh an aging system without a full replacement.

Why choose this upgrade

• Broad compatibility with popular Broan NuTone models commonly found in residential baths
• Notable airflow of 110 CFM for faster moisture removal
• Low noise operation around 4 Sones for a calmer bathroom environment
• Durable materials and OEM-grade construction for long-term reliability
• Starting capacitor supports quick, reliable starts