Broan-NuTone BKR50SN Replacement Motor & Cover Kit — 50 CFM, 4.0 Sones

Upgrade Your Bath Fan in Minutes

The Broan-NuTone BKR50SN replacement kit offers a practical, tool-free way to refresh your existing bathroom exhaust fan. With a 50 CFM motor and a replacement cover, you can revive airflow and reduce the signs of wear without a full replacement.

Whether your fan no longer runs, sounds louder than it used to, or simply feels underpowered, this kit provides a straightforward solution. It requires no wiring and no ceiling cutting, so you can complete the swap in about 10 minutes or less, depending on your setup.

What’s in the box

• 50 CFM replacement motor
• Replacement cover designed for Broan-NuTone housings

Key benefits and real-life use

• Quiet, steady airflow at 4.0 sones helps manage odors and moisture in small baths
• Low-disruption operation makes daily routines smoother, especially during busy mornings
• Easy DIY installation with no wiring or drywall repair required

Compatibility and quality

This kit fits select metal housings measuring 7-1/4" by 7-1/2" and works with models such as 688, 696N, 670, 671, 689, 695, 696MFG, 663 and Nautilus N671, N688. You get Genuine Broan-NuTone parts designed, tested, and certified for reliable performance.

Tips for a smooth swap

• Remove the old cover, measure your housing, and verify compatibility against the model list
• Follow the simple install steps—no tools beyond what’s included are typically needed

Note: Upgrading can improve ease of use and airflow, but results depend on your existing setup and usage. This kit provides a practical, compatible path to refresh your bathroom ventilation.