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Old 05-12-2019, 08:30 PM   #1
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Dryer exhaust port questions


I'm replacing the old flexible foil dryer duct with semi-rigid duct, and running into an issue. The exhaust port on the dryer barely clears the dryer's back panel, which makes trying to secure duct to the port challenging.


A hose clamp will barely fit onto the protruding portion of the exhaust port, and it's no fun trying to angle a screwdriver in to tighten the worm drive when the clamp is that far in. But any further out and the clamp isn't fully on the exhaust port.


Tried securing a short piece of 4" semi-rigid duct to the port and I had to crush the duct down so much that I figure this isn't the correct mating piece for the exhaust port.


I was about to try with this piece (left end), but figured I'd check in here first before I screw the pooch again.


Is there an extension piece I should be using to extend this port out a little further? For reference, here's the flex duct that was on there before - note where the clamp is - it's off the exhaust port, and is just relying on the tension created on the collar to keep the collar on the port.

Last edited by jbrah; 05-12-2019 at 08:42 PM.
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Old 05-12-2019, 09:42 PM   #2
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Re: Dryer exhaust port questions


They do make dryer vent extension pieces available at any big box store. Do you think something like this would work for you?

https://www.lowes.com/pl/Dryer-vent-...ies/4294512309
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Old 05-12-2019, 11:40 PM   #3
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Re: Dryer exhaust port questions


I am giving you points for not using plastic hose. It is not allowed in most areas, and is a
violation of building codes. Plastic hose is combustable.
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Old 05-12-2019, 11:53 PM   #4
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Re: Dryer exhaust port questions


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Old 05-13-2019, 05:56 AM   #5
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Re: Dryer exhaust port questions


In the past I have done this several times. Take the back off, very easy only a few screws. Use a tool called a crimper to go around the original crimp to make it touch smaller with out losing the crimped edge. Then install the piece on the dryer exhaust and reinstall the dryer back panel that way you know the new piece is on and secure . You might not need the crimper if you can get the new pipe in far enough to tighten properly. Just make sure you follow the direction of airflow with the conecting joints so no lint builds up at the connections. And no screws.
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Old 05-13-2019, 07:42 AM   #6
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Re: Dryer exhaust port questions


Quote:
Originally Posted by jmon View Post
They do make dryer vent extension pieces available at any big box store. Do you think something like this would work for you?

https://www.lowes.com/pl/Dryer-vent-...ies/4294512309
I don't see how that would be any better than the short piece I'm considering attaching - I would still have the issue of getting the clamp to actually tighten around the dryer's exhaust port. I guess for the subsequent attachment of the duct to the extension piece, I'd have to use only foil tape since that extender is too flimsy for a clamp.
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Old 05-13-2019, 07:45 AM   #7
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Re: Dryer exhaust port questions


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Originally Posted by COLDIRON View Post
In the past I have done this several times. Take the back off, very easy only a few screws. Use a tool called a crimper to go around the original crimp to make it touch smaller with out losing the crimped edge. Then install the piece on the dryer exhaust and reinstall the dryer back panel that way you know the new piece is on and secure . You might not need the crimper if you can get the new pipe in far enough to tighten properly. Just make sure you follow the direction of airflow with the conecting joints so no lint builds up at the connections. And no screws.
Not sure I follow. You're saying remove the exhaust port and crimp the end that attaches to the dryer a little smaller so that it can be reinstalled such that the exhaust port protrudes a little further out?
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Old 05-13-2019, 08:52 AM   #8
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Re: Dryer exhaust port questions


1 Remove back panel on dryer, few screws

2. If needed crimp piece on the dryer end that came with dryer.

3 Slide new extention piece over dryer port that came with dryer clamp real good far enough in so back panel won't interfere with clamp. ( or you can tape the piece on without clamp if need be.

4 slide back panel over the new acoridian looking piece and screw panel back on.

5 complete pipe hook up to outside house vent.

PS . Many dryers have side knock outs allowing you to remove the back panel a install the pipe out either right side or left side. So taking the panel off is no big deal.
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Old 05-13-2019, 06:59 PM   #9
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Re: Dryer exhaust port questions


If you are having issues with getting things to line up in such a short space, this may help.

https://www.homedepot.com/p/Smart-Ch...4130/206740122
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