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| Need assistance figuring out dryer vent routing (Page 3/3) |
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maryjane
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NOV 15, 06:17 PM
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With her dryer being on the lower floor and your machine being appox 10' above hers, is it possible what you are sensing as her machine 'venting into your dryer' isn't just from heat rising?
How far from the current exit point (under the porch) is her dryer?[This message has been edited by maryjane (edited 11-15-2020).]
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Monkeyman
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NOV 15, 06:51 PM
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| quote | Originally posted by MidEngineManiac:
Bit of a pain, but can you just unhook and cap the vent line when not in use ? |
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No, sir. That would involve making sure she was home and available every time I wanted to use my dryer then dragging a ladder into her apartment, pulling a ceiling tile, cap or uncap, put the tile back, etc. Then do all this in reverse when I was done. Nope.
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Monkeyman
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NOV 15, 06:52 PM
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| quote | Originally posted by maryjane:
With her dryer being on the lower floor and your machine being appox 10' above hers, is it possible what you are sensing as her machine 'venting into your dryer' isn't just from heat rising?
How far from the current exit point (under the porch) is her dryer?
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I don't think so. I can actually feel the flowing air.
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Monkeyman
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NOV 15, 06:56 PM
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| quote | Originally posted by williegoat:
No, your drier would blow downstream and keep the damper open.
Think of exhaust pipe theory. The exhaust from each drier will cool as it moves downstream and thus the flow will slow and the pressure will drop. Your high pressure and high velocity flow will overcome the flow from the other machine as long as the damper is substantially closer to your machine.
To be a nice guy, you would want to install a damper near her machine as well. |
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Honestly, she never complained that my dryer flowed air to hers. Not sure I can get to her dryer hose as easily as I can get to mine. I might install one on my own line and see what happens. Thanks, Mr. goat.
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hnthomps
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NOV 15, 08:25 PM
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I have used circular diamond bit saws that were four inches in diameter to cut concrete core samples for a strength analysis. I was working for a materials lab at the time and did this with some frequency. Depending on the depth of the cut, it will likely take less than 30 minutes using water as a cooling medium. This equipment is not exceptionally common but does exist in some quantity. Do a net search for concrete test companies or construction companies that use concrete frequently.
Nelson
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theogre
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NOV 15, 08:36 PM
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⚠️ Check local building codes.
Two driers sharing outlets is not legal in many places, more so if they are or can be gas units or in rental units.
Don't trust Builder/contractor... many can and will ignore codes every time they think no-one will look.
You rent the bottom changes many codes that can apply to a given building. Example: Fire Detection for single normal home is still optional in many places but codes for rentals, duplex, and more often require multiple 120vac powered units w/ tied so one goes off every other goes off too.
Is a bad idea even when not "violating codes..."
Two units shares 4 to 6" out is major problems in many ways.
You could use 2 "check valves" to block back flow when only 1 is on but most vent valves aren't made for this and they will have problems. most are only made to prevent weather outside getting inside thru poor design exterior parts.
If both are on at same time, the 4 to 6" pipe after Y won't flow enough air and at minimum both driers won't dry right and eat power/gas doing very little.
Plus Long vents, many joints, Check valve(s), and other issues cut airflow and Likely have problems w/ dust build up in the units and vents too and likely need power tools to clean it. HD and others carry fiber glass snake w/ 4" brush to clean drier vent but may not be long enough, vent bend too tight or too many bend to work.
Dust build up in the drier and/or vents has cause many fires even when metal vents are used. Often so common not getting "press" other then maybe local new outlets.
Is believed by many in the UK that a drier is the Root Cause of Grenfell Tower fire killing 72. Either was defective unit (Whirlpool UK had major recall at that time.), dust build up, or both. Tower Cladding was Secondary item that spread the first fire.
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Dr. Ian Malcolm: Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should.
(Jurassic Park)
The Ogre's Fiero Cave[This message has been edited by theogre (edited 11-15-2020).]
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steve308
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NOV 15, 09:01 PM
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| quote | Originally posted by Monkeyman:
Interesting. Never heard of one of those. The only concern I would have is that I would mount it in my part of the house (I can't see having to bother my tenant every week or so to clean out/replace the filter) and it would give off quite a bit of heat. I live in NC so it might overtax my 25 year old central air. Your thoughts on this, please? |
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My next door neighbor used one of these in their laundry room (Electric Dryer). The room had a door that closed it off from the rest of the house as most laundry rooms do therefore, it did warm the room in the summer. They did have an exhaust fan in the room to help pull the heat and I'm guessing any moisture it created. They moved away last year so I am not able to follow up if they had any issues I'm not aware of. I would suggest checking the reviews on Amazon / e-bay for what they say.
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