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Venting my New Dryer #4675919
02/23/18 10:05 PM
02/23/18 10:05 PM
Joined: Sep 2002
Posts: 2,593
VA
Gebo Offline OP
Gebo  Offline OP

Joined: Sep 2002
Posts: 2,593
VA
Just purchased a new dryer and trying to upgrade my venting system. I have rigid 4" pipe on about a 20 ft run from laundry room to outside. My problem is getting from the back of my dryer to the straight run. Here are some pictures. Feel free to jump in. I HATE flex ducting. Opinions? I can't cut any farther to the right as the current cut is right up against the floor joist. I can cut more to the left. You can see my 4" rigid pipe is pretty tight as it is. The vent in the dryer will not line up with the current hole as it is more to the right and I can't cut the floor joist.







'98 LEX LS400 290K
'02 4Runner 230K
'05 Lex LS430 85K
'07 Lex GX470 65K
Amsoil in last two.
Schaeffer in the first two.

Re: Venting my New Dryer [Re: Gebo] #4675941
02/23/18 10:22 PM
02/23/18 10:22 PM
Joined: Jan 2018
Posts: 897
San Antonio, TX
das_peikko Offline
das_peikko  Offline

Joined: Jan 2018
Posts: 897
San Antonio, TX
Interesting shape for the cutout; never seen that before. Most people like squares, rectangles, and circles.

Re: Venting my New Dryer [Re: Gebo] #4675946
02/23/18 10:26 PM
02/23/18 10:26 PM
Joined: Aug 2008
Posts: 3,462
Where the wind comes sweepin'
Reddy45 Offline
Reddy45  Offline

Joined: Aug 2008
Posts: 3,462
Where the wind comes sweepin'
I mean you can buy a bunch of rigid pipe and make it work or use flex.

Just make sure the flex is fully stretched to improve airflow.

Those seem to be the only options unless you are willing to run vent pipe inside the wall and up through the ceiling.

Re: Venting my New Dryer [Re: Gebo] #4675947
02/23/18 10:27 PM
02/23/18 10:27 PM
Joined: Apr 2004
Posts: 348
Tennessee
SWS Offline
SWS  Offline

Joined: Apr 2004
Posts: 348
Tennessee
Maybe I'm wrong, but it looks like 3 elbows are needed...?

Re: Venting my New Dryer [Re: Gebo] #4675950
02/23/18 10:30 PM
02/23/18 10:30 PM
Joined: Jun 2009
Posts: 3,820
Chicago, IL
tomcat27 Offline
tomcat27  Offline

Joined: Jun 2009
Posts: 3,820
Chicago, IL
I think there are some swiveling ones available with some adjustment in them. that gas line sure looks twisted!


2019 Cherokee, 2018 Jetta, 2014 Sentra, 1995 Escort, 1970 Cougar, 2013 XT250, 2010 Vstar, 2014 CTX1300
Re: Venting my New Dryer [Re: Gebo] #4675958
02/23/18 10:34 PM
02/23/18 10:34 PM
Joined: Mar 2017
Posts: 8,200
...
PimTac Offline
PimTac  Offline

Joined: Mar 2017
Posts: 8,200
...
Seems like you can go solid to just above the floor then flex to the dryer. That 2x4 in the back is useless. Looks like its detached from the stud.

Is this on a upper floor?


Cannot see signatures any longer so it doesn’t matter.
Re: Venting my New Dryer [Re: Gebo] #4675960
02/23/18 10:36 PM
02/23/18 10:36 PM
Joined: Oct 2005
Posts: 1,211
windsor, ontario, canada.
yeti Offline
yeti  Offline

Joined: Oct 2005
Posts: 1,211
windsor, ontario, canada.
check out the copper line. could become a problem.
good luck with the job.


"there is no sense in having an argument with a man so stupid, he doesn't know you have the better of him." -- john raper
Re: Venting my New Dryer [Re: Gebo] #4675965
02/23/18 10:44 PM
02/23/18 10:44 PM
Joined: Sep 2002
Posts: 2,593
VA
Gebo Offline OP
Gebo  Offline OP

Joined: Sep 2002
Posts: 2,593
VA
Rest easy. Copper line is non-functional. It was from 15 years ago when I had propane gas dryer.


'98 LEX LS400 290K
'02 4Runner 230K
'05 Lex LS430 85K
'07 Lex GX470 65K
Amsoil in last two.
Schaeffer in the first two.

Re: Venting my New Dryer [Re: das_peikko] #4675967
02/23/18 10:47 PM
02/23/18 10:47 PM
Joined: Sep 2002
Posts: 2,593
VA
Gebo Offline OP
Gebo  Offline OP

Joined: Sep 2002
Posts: 2,593
VA
Originally Posted By: das_peikko
Interesting shape for the cutout; never seen that before. Most people like squares, rectangles, and circles.


My 3 year old daughter did the cutting. She did do a nice sweeping curve. She was gonna make one big circle but she hit the floor joist on that right side. grin


'98 LEX LS400 290K
'02 4Runner 230K
'05 Lex LS430 85K
'07 Lex GX470 65K
Amsoil in last two.
Schaeffer in the first two.

Re: Venting my New Dryer [Re: Gebo] #4675990
02/23/18 11:16 PM
02/23/18 11:16 PM
Joined: Jun 2012
Posts: 1,825
USA
oldhp Offline
oldhp  Offline

Joined: Jun 2012
Posts: 1,825
USA
I think I would build a raised platform from 2"x 10"/3/4" plywood to gain more clearance for venting. Make a easy opened access panel at bottom to hook up the vent when dryer is setting there. Does the dryer have a optional bottom vent outlet? Mine did. If so you could use that outlet. Raising the washer/dryer would also help the bending over stuff. Can you return dryer and get a bottom vent if yours doesn't have one?


2018 RAM 1500 3.6/8 speed.
2017 Jeep Sahara Unlimited 3.6
"U kan't fixe it......if'n it ain't broke."
Re: Venting my New Dryer [Re: Gebo] #4675998
02/23/18 11:30 PM
02/23/18 11:30 PM
Joined: Mar 2017
Posts: 8,200
...
PimTac Offline
PimTac  Offline

Joined: Mar 2017
Posts: 8,200
...
Just looking at it some more, I think one adjustable elbow to get it pointing up and then flex the rest of the way. Get a hinged cover plate to hide the gap where the duct comes through the floor. Covering up the rest of the hole will finish it off.


Cannot see signatures any longer so it doesn’t matter.
Re: Venting my New Dryer [Re: Gebo] #4676014
02/23/18 11:48 PM
02/23/18 11:48 PM
Joined: Jun 2002
Posts: 6,610
MI
doitmyself Offline
doitmyself  Offline

Joined: Jun 2002
Posts: 6,610
MI
It looks like you have a number of challenges.

- Look at the dryer owners manual to determine longest allowable vent length. It varies by brand and each elbow (90 or 45) reduces the allowable length considerably. At 20 ft. in your OP, you are getting close to maximum with any elbows. There are long vent dryer models and booster fans. Whether you use flexible metal or 3 els. described above by SWS, you need to adhere to maximum length guidelines.
- Duct hidden within walls/floors must be rigid. UL transition duct from dryer to rigid can be flexible.
- Floor trusses(not joists)..... any chance you can re route the rigid pipe in the floor trusses to come up further to the right. This would require a new hole.
- I would explore the products of companies like Builders Best and maybe Dundas Jafine to look for problem solver products.
http://www.buildersbest.com/product-industry/dryer-vent-kit/

Here's one example of UL listed semi rigid flexible transition duct:


EDIT: just noticed that the final piece under the floor is an adjustable elbow. You should be able to make it turn up a bit to allow smoother transition to the flex pipe.

Re: Venting my New Dryer [Re: Reddy45] #4676015
02/23/18 11:53 PM
02/23/18 11:53 PM
Joined: Dec 2016
Posts: 8,011
Waco, TX
Linctex Offline
Linctex  Offline

Joined: Dec 2016
Posts: 8,011
Waco, TX
Originally Posted By: Reddy45

Just make sure the flex is fully stretched to improve airflow.


Actually - Use the all-aluminum stuff (not the shiny plastic tubing with a wire wound in it)

and leave it fully collapsed so there's no ridges inside. Use the shortest piece possible.

Evil stuff:


The GOOD stuff:


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Venting my New Dryer [Re: Gebo] #4676020
02/24/18 12:05 AM
02/24/18 12:05 AM
Joined: Feb 2010
Posts: 322
Minnesota
bruckus Offline
bruckus  Offline

Joined: Feb 2010
Posts: 322
Minnesota
My last dryer allowed me to vent downward by installing an elbow This way it vents out the bottom and not the back. Maybe then it would move farther left. Just a thought. Thats how I did mine and then you can push dryer right against the wall.

Re: Venting my New Dryer [Re: Gebo] #4676047
02/24/18 01:12 AM
02/24/18 01:12 AM
Joined: Jan 2018
Posts: 897
San Antonio, TX
das_peikko Offline
das_peikko  Offline

Joined: Jan 2018
Posts: 897
San Antonio, TX
Originally Posted By: Gebo
My 3 year old daughter did the cutting. She did do a nice sweeping curve. She was gonna make one big circle but she hit the floor joist on that right side. grin


In that case I would say it's very innovative and artistic. smile

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