0026715000517

Broan

Model # 433

Internet # 203481754

16.75 in. x 16.75 in. Aluminum Automatic Gable Square Mount Louvered Shutter Attic Vent

$47.85 /each

FREQUENTLY BOUGHT TOGETHER

PRODUCT OVERVIEW

Model # 433

Internet # 203481754

The Broan model 433 automatic shutter is the perfect accessory to Broan gable mount powered attic ventilators, provided you have adequate air intake on the opposite side of the attic or the in the eaves. Attic ventilation is critical to making any home more comfortable while helping to lower energy costs. Stagnant air can be removed, drawing fresh air across the surfaces. The home ventilating institute recommends at least one square foot of open air inlets for each 300 CFM of ventilator capacity.

  • Counter-balanced aluminum vanes open and close automatically with operation of fan
  • Steel reinforced for strength and durability
  • Weather-tight louvers keep attic dry year-round
  • Complete, easy-to-follow instructions for easy installation

Info & Guides

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SPECIFICATIONS

Dimensions
Cut-Out Below Counter Depth (in.) 
16.25 
Cut-Out Left to Right Length (in.) 
16.25 in 
Net-Free Area (Sq. In.) 
216.0 
Product Depth (in.) 
2.75 
Product Height (in.) 
16.75 
Product Width (in.) 
16.75 
Details
Color Family 
Metallic 
Material 
Aluminum 
Paintable/Stainable 
No 
Product Weight (lb.) 
3.59 lb 
Returnable 
90-Day 
Screen Included 
No 
Shape 
Square 
Ventilation Type 
Gable 
Warranty / Certifications
Manufacturer Warranty 
None 

MORE PRODUCTS WITH THESE FEATURES

Price: $40 - $50
Brand: Broan
Review Rating: 4 & Up
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6 Questions10 Answers

Customer Questions & Answers

16.75 in. x 16.75 in. Aluminum Automatic Gable Square Mount Louvered Shutter Attic Vent
16.75 in. x 16.75 in. Aluminum Automatic Gable Square Mount Louvered Shutter Attic Vent

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3 answers

Hello, how big will the CUT OUT hole be for this vent?

This question is from 16.75 in. x 16.75 in. Aluminum Automatic Gable Square Mount Louvered Shutter Attic Vent
Asked by
Jarred
September 12, 2012
Product #433 Broan louver
says its 16.75in x 16.75in... i just wanna make sure that when I cut my hole into the side of my house
that I dont cut it to big and the louver just falls through the hole. So i need to know the size of the CUT HOLE in order to make sure the the edges can be screwed down. Thanks
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Answers (3)

Asked by
Louisiana, USA
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January 28, 2014
Answer: 
The vent is about 1/2" smaller than the rough-in size, depending on the type of siding you have and whether you intend to put trim around it, the size in the instructions may work for you. If you only want to run a bead of chalk around it when finished, I would go with 16.5"x 16.5". I made my opening prior to receiving the vent, used James Hardie plank siding, and put a small trim piece around the vent Read More
The vent is about 1/2" smaller than the rough-in size, depending on the type of siding you have and whether you intend to put trim around it, the size in the instructions may work for you. If you only want to run a bead of chalk around it when finished, I would go with 16.5"x 16.5". I made my opening prior to receiving the vent, used James Hardie plank siding, and put a small trim piece around the vent and butted the trim to the siding. Read Less
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Asked by
minnesota
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January 1, 2013
Answer: 
that 16 inch number is with the insulation I think. The pipe is only 12inches. remember this when your cutting the pipe hole
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September 13, 2012
Answer: 
Unfortunately, there is not an easy answer to your question. The installation of this item is more involved than simply cutting a hole and inserting the louver. Please contact customer service at 888-336-6146 and they can email you the complete installation instructions for this item.
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2 answers

Do the louvers operate independently or are they joined with some kind of metal wire device?

This question is from 16.75 in. x 16.75 in. Aluminum Automatic Gable Square Mount Louvered Shutter Attic Vent
Asked by
Redding CT
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April 19, 2016
Do the louvers operate independently or are they joined with some kind of metal wire device? I'd be using these in an unconventional way, on a porch, is why I ask. I'd love it if the louvers were rigged to all work together so I could manually open and close the vents.
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Answers (2)

Asked by
Redding CT
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Home Improvement Profile: DIYer
April 25, 2016
Answer: 
Actually, the louvers are NOT joined together and, in fact, operate independently. Thanks to the WRONG answer I got to this question I ordered two of these and now have to return them. Thanks a lot.
Par for the course.
I ordered a window from Home Depot a month ago. Two weeks later it came in broken. They said they'd "rush" out another one. I'm still waiting.
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April 20, 2016
Answer: 
The louvers on the 433 are joined together.
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2 answers

Can I mount this like a gable vent, in that it will open when I turn on my whole house fan?

This question is from 16.75 in. x 16.75 in. Aluminum Automatic Gable Square Mount Louvered Shutter Attic Vent
Asked by
Sacramento, CA
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April 19, 2015
In other words, I want to use it without any ducting, or a dedicated fan to blow it open, just as an attic vent, mounted in a gable, to open when the whole house fan turns on. Thanks!
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Answers (2)

April 20, 2015
Answer: 
Yes, this vent does not need to be connected to a duct.
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April 20, 2015
Answer: 
This unit can be installed for the application you’ve described, however, there probably won’t be enough air flow past the vent to open it when your whole house fan is turned on. If you have any further questions, please contact the Nutone Technical Support Department at 1-888-336-6151.
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1 answer

Can you mount in a ceiling? Are shutters spring loaded.

This question is from 16.75 in. x 16.75 in. Aluminum Automatic Gable Square Mount Louvered Shutter Attic Vent
Asked by
Read all my Q&A
May 27, 2015
I need a shutter vent to mount in the ceiling above a plasma table to draw air in from outside when I am cutting and using the squirrel cage fan to pull out the dust. If I hang it in the ceiling will shutters close when not venting table, and open when venting.
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Answer (1)

May 28, 2015
Answer: 
The 433 is a shutter only. There is no fan. It works in conjunction with our Gable Mount fans. It is designed to be installed flat against the outside wall of a gable. It is not designed for installation on a roof or ceiling.
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CUSTOMER REVIEWS

Rated 4.3 out of 5 by 7 reviewers.
Rated 5.0 out of 5.0 by Louvered Attic Vent This was a good size for us to use with the attic fan installed. Happy it worked out, since we bought it through the website. Shipping took about a week. No complaints. October 2, 2014
Rated 3.0 out of 5.0 by Good product. Works well. But, not perfect Product works well and is easy to install. Louvers are light weight, so the air from my attic fan easily opens them. They also close quietly, again because they are light. All is aluminum, so they won't rust. My biggest problem was that the aluminum frame did not meet soundly in the mitered corners. There was a gap on each corner that would allow water to infiltrate if the vent is mounted so it is exposed to wind and rain. I used angle aluminum screwed on the outside of each corner to narrow the gap, then caulking to seal them. In the end it seems fine, but did require extra, unexpected effort. July 8, 2014
Rated 4.0 out of 5.0 by Go-To shutter There is another "big-box store" that offers a product at a similar price...except their's is plastic and does not last. I know....I've gone through 3 of them and then I found this one. I would have rated it as "excellent" except that one of the vanes was dislodged in shipping, but was easily repaired. October 10, 2014
Rated 4.0 out of 5.0 by Good product! Product is good and would recommend it. You'll have to caulk the corners but that's no big deal (few gaps). Be-careful when handling due to it can be bent. I bent mine while screwing it to fan shroud but it was easy to re-straighten back out. I used mine for a solar attic vent. The fan I bought had a 20 watt solar panel which is not really strong enough to push the louvers completely open so I would recommend using a 40 to 60 watt solar panel. I went ahead and bought a 60 watt solar panel and it blows the lovers wide open! When using a solar fan, you have to keep in mind part of the pressure from the fan has to have enough force to push open the louvers and this will cause the fan to run a bit slower so that is why I recommend the larger wattage for solar use. If you are handy, you can buy a car radiator fan for $50.00 from online auto store, then buy a 60 watt monocrystalline solar panel for $105.00 at amazon. Find a remote controller from attic breeze or some other place and you're all set! Why spend $$$ when you can do it yourself! September 23, 2014
Rated 5.0 out of 5.0 by nice product Good product, I was happy to find one made out of aluminum instead of plastic. Seems to be well made and it works well at a good price. May 13, 2014
Rated 4.0 out of 5.0 by Perfect This is what I needed, and Home Depiot was the only store that had it. Took toooo long to get to me but it is just fine. March 12, 2014
Rated 5.0 out of 5.0 by Rough-in size to cut siding to large in instructions Great vent, high quality, instructions have you cut hole 1/2" larger than vent size, to much in my opinion January 28, 2014
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