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BROAN

8-1/4" x 8" x 5-3/4" Bathroom Fan, 50 CFM, 1.6 Amps

  • Item # 4C378
  • My Part #
  • Mfr. Model # 678
  • Catalog Page # 2945
  • UNSPSC # 40101604
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  • Shipping Weight 5.85 lbs.
Country of Origin USA Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Product Details

This BroanĀ® bath/ventilation fan/light is designed with a plug-in, permanently lubricated motor. Features include a shatter-resistant, light-diffusing lens, polymeric duct connectors with tapered sleeves for easy, positive ducting, and an attractive white grille that complements any decor. Mounting ears are included for quick, sturdy installation.

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Technical Specs

  • Item Bathroom Fan
  • CFM @ 0.100-In. SP 50
  • Sones @ 0.100-In. SP @ 5 Ft. 2.5
  • Duct Dia. 4"
  • Discharge Horizontal
  • Voltage 120V
  • Lighted Yes
  • Night-Light No
  • Hz 60
  • Phase 1
  • Heater No
  • Amps 1.6
  • Watts 42.4
  • Grille Length 11-1/8"
  • Grille Width 10-5/8"
  • Housing Height 5-3/4"
  • Housing Length 8-1/4"
  • Housing Width 8"
  • Housing Material 26 ga. Galvanized Steel
  • Grille Material Matte White Polymeric
  • Mounting Location Ceiling
  • Humidity Sensing No
  • Motion Sensing No
  • Standards UL Listed, HVI Certified
  • Requires 100W Incandescent Lamp (100A-120V)
  • Includes Steel Mounting Brackets
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Customer Reviews


8-1/4 In x 8 In x 5-3/4 In Bathroom Fan, 50 CFM, 1.6 Amps is rated 3.7 out of 5 by 15.
Rated 1 out of 5 by from Open the box to find no instructions! Yep, you read that right, no instructions. Thankfully, I know what I am doing and I am on this site now to print the instructions and spec sheet. Was something else left out of the box? Never liked opening a box that states, "INSTRUCTIONS INCLUDED" to find no instructions. Review would be much better if the little details were followed through on. Now I can install, thanks for having the instructions and spec sheet on the website.
Date published: 2017-12-27
Rated 4 out of 5 by from Broan fan/light originally I was only going to purchase just a fan. I changed my mind and got one with a light. Best decision I ever made. I didn't realize how dark it really was in my shower until installing this fan/light combo. The fan is very quiet and more than does the job in my tiny bathroom. I highly recommend this product.
Date published: 2017-04-09
Rated 4 out of 5 by from Very quiet and looks good Needs better lighting, but fan is very quiet. Installation was quick and easy while being well made.. The bulbs it uses are weak.
Date published: 2017-04-06
Rated 2 out of 5 by from Noisy, not durable I've had to replace mine every 6-7 yrs. Stuck w/this design now. Noisy and speed is inconsistent. The wiring and power in this newer house is fine. Cheap motor, real junky light shade/cover.
Date published: 2016-10-22
Rated 5 out of 5 by from Nice produict I had the Nautilus N678-D with light which the motor died. I left the original housing in the ceiling and I replaced it with the Broan 678. All I had to do was replace the motor on the original base assembly due to the Broan was not compatible with the original Nautilus housing and installed the new Broan fan / light assembly. Easy
Date published: 2016-10-17
Rated 1 out of 5 by from Poor durability Installed in a small, low use bathroom.The unit had a limited mounting orientation- requiring extra effort to route exhaust piping.Even after install, unmounted side sagged slightly. Would not have been acceptable in a main bathroom.Lasted only 5 years.Motor started squealing and quit on it's next turn-on.Replacement motor/impeller parts priced more than the original purchase price.
Date published: 2016-10-01
Rated 5 out of 5 by from A Very Good Product I am very pleased with my ventilation fan/light. It is quiet and effective. It is not as effective as I would have liked, but that is on me. I should have given more consideration to the size of my bathroom before making the purchase - let that be a heads up to you. Measure before you purchase and install. Also, I have two other lighting systems in my bathroom. So, I wanted soft lighting in the vent. I'm using a low watt bulb in it and the effect is perfect for a relaxing bath or night use. I am remodeling the master bath now and have already purchased another Broan.
Date published: 2016-08-24
Rated 5 out of 5 by from this product is a big improvement over my prior fan/light I was able to replace a similar fan/light in the bathroom without complication. my wife immediately commented on how much quieter the new one is. Since we use it a great deal the significant lack of loud noise is a relief. Now she wants me to replace the fan/light in the other bathroom with this quieter version.
Date published: 2016-04-29
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