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Old 09-30-2012, 11:40 PM   #1
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Bathroom ventilation


Would like to know the diference between an External wall mounted dryer
vent & a External wall mounted bathroom vent.
Noticed when I went to Home Depot that the vents in stock were listed
as dryer vents.
What are the design features that distinguish them as either a dryer vent & or a bathroom vent.
Can they be enterchanged.
Could not get an answer fro Home Depot.

Thanks Jim.

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Old 10-01-2012, 07:18 AM   #2
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Bathroom ventilation


Are you referring to "Vent Covers"?

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Old 10-01-2012, 07:33 AM   #3
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Bathroom ventilation


Both will work fine. I would not use the ones with the luvers, Use the one with round flapper instead.
The louvers start to stick over the years.
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Old 10-01-2012, 08:10 AM   #4
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Bathroom ventilation


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Originally Posted by joecaption View Post
Both will work fine. I would not use the ones with the luvers, Use the one with round flapper instead.
The louvers start to stick over the years.
Around my neck of the woods I would recomend the louvers over the flappers. The birds here have gotten smart enough to figure out how to open the flaps and get in to build nests
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Old 10-01-2012, 09:48 AM   #5
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Bathroom ventilation


I've used both.

I think the choice depends on where the outlet will be. If it's going to be up high where you can't run into it with your body...flapper is better. If it's down low, the hood over the flapper sticks out and is subject to damage (especially with my kids). In that case, I think the louver is better.
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Old 10-02-2012, 06:46 AM   #6
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Bathroom ventilation


Quote:
Originally Posted by Jim Baughman View Post
Would like to know the diference between an External wall mounted dryer
vent & a External wall mounted bathroom vent.
Besides the louvers vs. flapper, bathroom and dryer vents are almost always different sizes. The typical bathroom vent is 3" diameter, while every dryer vent I've ever seen is 4" diameter. There are 4" diameter bathroom vents (I have them), but my fans are far upscale from the $10 Broan units you typically see.
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Old 10-02-2012, 09:48 AM   #7
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Originally Posted by md2lgyk View Post
Besides the louvers vs. flapper, bathroom and dryer vents are almost always different sizes. The typical bathroom vent is 3" diameter, while every dryer vent I've ever seen is 4" diameter. There are 4" diameter bathroom vents (I have them), but my fans are far upscale from the $10 Broan units you typically see.
Oh, you mean those white ones that sound like a P51 taking off?

Yea....mine is 4" as well...quiet enough that you can't hear it over the noise of the shower.....or if your even in the hallway. Had to install a occupancy sensor seeing how my kids (and wife) have not learned how to turn off lights.
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Old 10-02-2012, 10:07 AM   #8
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Bathroom ventilation


Even got ones with a styrofoam ball in them, seals of the cold winter winds.
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Old 10-02-2012, 10:55 PM   #9
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Bathroom ventilation


Use a Type "A" rather than "B" for 50% more air flow: http://www.appliance411.com/faq/dryer-vent-length.shtml

The louvers tend to collect wet lint better, I've found.

Test of different types:

Gary
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