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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: 2,275
VA
Gebo Online content OP
Gebo  Online Content OP
Joined: Sep 2002
Posts: 2,275
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 280K
'00 LEX GS300 195K
'02 4Runner 225K
'05 Lex LS430 85K
'06 Toyota Highlander 145K
'09 Lex IS350 85K
'07 Lex GX470 58K
Amsoil in all engines, transmissions and differentials

Re: Venting my New Dryer [Re: Gebo] #4675941
02/23/18 10:22 PM
02/23/18 10:22 PM
Joined: Jan 2018
Posts: 534
San Antonio, TX
das_peikko Offline
das_peikko  Offline
Joined: Jan 2018
Posts: 534
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: 3,157
USA
Reddy45 Offline
Reddy45  Offline
Joined: Aug 2008
Posts: 3,157
USA
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: 347
Tennessee
SWS Offline
SWS  Offline
Joined: Apr 2004
Posts: 347
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: 3,698
Chicago, IL
tomcat27 Offline
tomcat27  Offline
Joined: Jun 2009
Posts: 3,698
Chicago, IL
I think there are some swiveling ones available with some adjustment in them. that gas line sure looks twisted!


2019 Cherokee, 2015 Rogue, 2014 Sentra, 2001 Camry, 2005 Starcraft, 1998 Dodge B1500
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Re: Venting my New Dryer [Re: Gebo] #4675958
02/23/18 10:34 PM
02/23/18 10:34 PM
Joined: Mar 2017
Posts: 5,434
Soviet State of Washington
PimTac Online content
PimTac  Online Content
Joined: Mar 2017
Posts: 5,434
Soviet State of Washington
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 itís detached from the stud.

Is this on a upper floor?


2017 Mazda CX-5 Grand Touring

Valvoline Advanced Synthetic 0w20
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Re: Venting my New Dryer [Re: Gebo] #4675960
02/23/18 10:36 PM
02/23/18 10:36 PM
Joined: Oct 2005
Posts: 1,186
windsor, ontario, canada.
yeti Offline
yeti  Offline
Joined: Oct 2005
Posts: 1,186
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: 2,275
VA
Gebo Online content OP
Gebo  Online Content OP
Joined: Sep 2002
Posts: 2,275
VA
Rest easy. Copper line is non-functional. It was from 15 years ago when I had propane gas dryer.


'98 LEX LS400 280K
'00 LEX GS300 195K
'02 4Runner 225K
'05 Lex LS430 85K
'06 Toyota Highlander 145K
'09 Lex IS350 85K
'07 Lex GX470 58K
Amsoil in all engines, transmissions and differentials

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: 2,275
VA
Gebo Online content OP
Gebo  Online Content OP
Joined: Sep 2002
Posts: 2,275
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 280K
'00 LEX GS300 195K
'02 4Runner 225K
'05 Lex LS430 85K
'06 Toyota Highlander 145K
'09 Lex IS350 85K
'07 Lex GX470 58K
Amsoil in all engines, transmissions and differentials

Re: Venting my New Dryer [Re: Gebo] #4675990
02/23/18 11:16 PM
02/23/18 11:16 PM
Joined: Jun 2012
Posts: 1,702
USA
oldhp Online content
oldhp  Online Content
Joined: Jun 2012
Posts: 1,702
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?



Re: Venting my New Dryer [Re: Gebo] #4675998
02/23/18 11:30 PM
02/23/18 11:30 PM
Joined: Mar 2017
Posts: 5,434
Soviet State of Washington
PimTac Online content
PimTac  Online Content
Joined: Mar 2017
Posts: 5,434
Soviet State of Washington
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.


2017 Mazda CX-5 Grand Touring

Valvoline Advanced Synthetic 0w20
Mobil 1 M108A EP filter

Re: Venting my New Dryer [Re: Gebo] #4676014
02/23/18 11:48 PM
02/23/18 11:48 PM
Joined: Jun 2002
Posts: 6,352
MI
doitmyself Offline
doitmyself  Offline
Joined: Jun 2002
Posts: 6,352
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: 6,226
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,226
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: 312
Minnesota
bruckus Offline
bruckus  Offline
Joined: Feb 2010
Posts: 312
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: 534
San Antonio, TX
das_peikko Offline
das_peikko  Offline
Joined: Jan 2018
Posts: 534
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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