Motoasis 50CFM fan assembly for Broan 663/688 delivers quiet bathroom ventilation.
Motoasis pure copper motor upgrade highlighting enhanced durability and stable performance.
Motoasis easy installation with tools-free replacement for quick modernization.
Motoasis durable motor offering a potential 20-year service life.
Motoasis high-speed low-noise operation improves bathroom ventilation.
Motoasis 8-1/4 x 8-1/8 blade fit ensures compatibility.
Motoasis replacement for Broan 663/688 enhances bathroom comfort.

Motoasis

Motoasis 50CFM Fan Upgrade for Broan 663/688 – Easy Install, Copper Motor, Durable

High-performance tools and home improvement made for confident daily results

$52.30

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Why customers choose TaskHolt Tools

Upgrade your bathroom ventilation with the Motoasis 50CFM Fan, a purpose-built replacement designed to fit select Broan assemblies with durability and quiet operation in mind.

Compatibility at a glance

Engineered to match the 8-1/4" x 8-1/8" blade footprint and fit the following Broan models:

  • Broan 663/668 series — including 663B/688B, 663C/688C, 663E/688E
  • 670 family and the 689-A, B, C, D variants
  • 671-A (70CFM)

Note: 688-G/H/J/K variants are not supported.

Premium copper motor for lasting performance

The upgraded motor uses pure copper windings for durability and steadier operation compared to older aluminum-plated designs. Motoasis emphasizes quality materials and thoughtful engineering.

  • Enhanced durability through robust components
  • More stable performance over typical bathroom cycles

Easy, tool-friendly installation

Replacing the fan module is designed to be quick and straightforward. With common hand tools, you can swap in under 10 minutes, often without professional help.

  • Fast DIY upgrade
  • Minimal downtime and disruption

What to expect in daily use

The assembly delivers a balance of high airflow and low noise. You may notice improved ventilation, deodorization, humidity control, and efficient heat dissipation in a compact form.

Durability and coverage

Motor components are designed for longevity, and the manufacturer offers a 3-year defect replacement service for all fans sold.

FAQ

Q: What Broan models does the Motoasis 50CFM upgrade fit?

A: Fits Broan 663/688 series (663B/688B, 663C/688C, 663E/688E) and model 670; also 689-A,B,C,D and 671-A (70CFM). Not compatible with 688-G/H/J/K.

Q: How long is the installation?

A: Under 10 minutes with common tools; no specialized equipment required.

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