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Old 03-29-2015, 12:55 AM   #1
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long of a discharge hose on a washer


Looking at putting a stacked washer and dryer in a closet on the main floor. Because the walls do not line up with a basement. and I do not want a bulk head in the middle of a room, and the direction the floor joists run. I would have to run.
- Using a 2" ABS line, Down the back wall in the closet, into the floor joists for 10 feet, to the outside wall, then turn and drop into a bulkhead along the wall another 3 feet, then turn again go back the direction I came from but now inside the basement closet run 12' to the ductwork then drop below it and another 8 feet into the main stack. There would be a P-trap and vent near the washer. so around 33 feet and doing a 180degree turn.

I was talking to someone who thought you could just use the pump and loop the hose like a dishwasher and go up to 20 or 30 feet before connecting to a 2" in the same way a dishwasher would. I had never heard that before and wanted to know if it would work.

This would allow a 1.25 inch hose that I could run down into the floor joists and then across to an existing bulkhead where it would fit but the 2 inch ABS line would not. It would only be about a 12 foot run of hose and a 12 foot run of 2" ABS.

Would that actually work?
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Old 03-29-2015, 06:10 AM   #2
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What does the washer's manual say about how to drain it? I'm fairly certain no washer could efficiently pump water up to a height of 30 feet.

If the washer drain is this much trouble, what are you doing for the dryer vent? Also, some areas require washers to sit in a pan that's piped to the outside or a floor drain in case the washer overflows. How will you handle that, which you really should have even if code doesn't require it?

Were I you, I'd be looking for another location for the unit.

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Old 03-29-2015, 08:55 AM   #3
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You can't pump it up that high with just the washer. That 20-30 feet of line will drain back into the washer when the pump stops.
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Old 03-29-2015, 11:34 AM   #4
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It is not high, it is length, as in 20 feet over and down, not 20 feet up.
The dryer vent will go down into the floor joists then over about 20 feet, it is no problem.
A pan is not required but would be a great idea. and yes running the plumbing for it will be convoluted as well.
There really is no other place to put it. Well OK maybe in the living room but she who must be obeyed would never go for that! LOL
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Old 03-29-2015, 11:45 AM   #5
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I'm not reading any elevation at all. Install all long radius ells if possible and it will work just fine. Short radius ells will work if necessary but long will be much better.

If it takes 30 seconds longer to pump the machine doesn't care and you'll never notice the difference.
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Old 03-29-2015, 03:10 PM   #6
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Quote:
loop the hose like a dishwasher and go up to 20 or 30 feet before connecting to a 2"
Reads to me as going UP not down and across. A dishwasher loops up higher than a drain to prevent siphoning.
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Old 03-29-2015, 04:23 PM   #7
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Joed I see now how you read it that way. I should have wrote in that sentence. Loop up like a dishwasher then go down into the floor joists and across 20 or 30 feet before connecting to a 2".
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Old 03-29-2015, 04:27 PM   #8
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SeniorSitizen - Go tit on the long Ells, I am wondering about going a shorter way by pumping it further with just a hose kinda like a dishwasher does, not the normal stand pipe way a clothes washer doers.
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Old 03-29-2015, 08:15 PM   #9
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Quote:
Originally Posted by mae-ling View Post
Joed I see now how you read it that way. I should have wrote in that sentence. Loop up like a dishwasher then go down into the floor joists and across 20 or 30 feet before connecting to a 2".
That would be just like a normal drain. Instead of the flex line just use regular PVC and install a P trap and a riser on the 2" line and you are good to go except for a vent. You may be permitted to use and AAV in your region. Stick you washer line into the top of the riser and wash.
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Old 03-29-2015, 08:39 PM   #10
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Joed - the problem is space to run the 2" line, I do not have it, but I have space to run a 1.25 inch line.
And AAV is not allowed here. No problem I can run a vent up the wall and through the roof.
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Old 03-29-2015, 09:29 PM   #11
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Splicing on an extension to a washing machine drain hose could overload and shorten the life of the washing machine pump. It is important to get advice from the washing machine manufacturer.

There is supposed to be a loose fit and air gap between the end of the factory supplied drain hose and the next item in the drain path.
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Old 03-29-2015, 09:56 PM   #12
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Think I best just go with a 2" line when the time comes, even though it a longer run and turns back on itself. The joys of renovating an existing structure.
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Old 03-30-2015, 08:51 AM   #13
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Quote:
Originally Posted by mae-ling View Post
The dryer vent will go down into the floor joists then over about 20 feet, it is no problem.
Really? Have you checked the manual for your dryer? That's way too long IMO. And don't forget, each 90-degree elbow counts as something like another 4 feet of duct.
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Old 03-30-2015, 09:41 AM   #14
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Sorry should have read down into the floor then over about 12 feet. most dryers from my reading/understanding can go 25 feet, and you -5 feet for each 90, so 12 feet just puts me inside the limit.
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