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Home > Home & Garden > Plumbing   »   Stand Pipe too small, Washing machine drain too big.water everywhere!

 
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Old Aug 24, 2009, 09:14 AM
fabuloso_me
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Stand Pipe too small, Washing machine drain too big.water everywhere!

i have a bit of the same problem, i must say. i have an old house with old metal pipes and i have a newer top-load (not HE) washing machine. my plumber says my machine hose is bigger than my drain, and that's why it sprays water like a champagne bottle when it's draining water. we have a black rubber thing that is supposed to make the hoses fit together, but we've literally had to duct tape the two together, and even then it still leaks some. all this happens out in the garage by the way. so if i want it to drain properly, my plumber says i'll have to bust up the concrete to put the right sized hose in. :-(
is there no other way?

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Old Aug 24, 2009, 08:25 PM   #11  
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the coupling at the very very bottom is nothing more than a hunk that was cut off of something long ago still laying there. i think it got cut off a pipe and the coupling above it in the pic is too big to slide it over to dispose of it. i took a close-up of the joint you have in question. i'm not about to start peeling off tape to see what isn't broken. this connection is only about a foot off the floor. and it ain't leaking. i sure don't want it to start.


to me, it looks like the house pipe has been attached to another metal pipe that has then been attached to the black plastic pipe. i don't believe that the 2nd metal pipe is very long because the black pipe is able to be pretty flexible.
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Old Aug 24, 2009, 11:00 PM   #12  
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Here is what I would do.

Purchase
a piece of 2" PVC pipe about as long as the black flexible pipe,
a piece of 1 1/2 PVC pipe about 4" long,
A 2" to 1 1/2 PVC reducing coupling,
A 1 1/2" adapter,
A shielded rubber coupling,
PVC glue and primer

Glue all of the PVC together as shown.

Remove the 1 1/2" galvanized pipe which is inside and taped to the black pipe coming out of the floor.

Attach the glued up PVC pipe to the iron pipe coming out of the floor using the shielded rubber coupling.

Put washer drain hose in the adapter and tighten.

You now have a 2" washer stand pipe.

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speedball1 agrees: Good advice and great graphics Harold!
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Old Aug 25, 2009, 06:29 AM   #13  
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you da bomb Harold! thank you so much.
that looks like an actual solution!

i'm literally gonna print out your instructions and take them to the hardware store. you have parts and names and sizes. i think you MIGHT just know what you're doing, dude!
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Old Aug 25, 2009, 08:25 AM   #14  
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If I were a betting man, I would bet that this drain is not vented. Do you know if it is? Do you have access to an attic above this area? If so, do you see any black or white pipe coming up in the wall behind washing machine? As far as having a p-trap, there is none visible. There may be one under the concrete slab. If not, then I don't believe this would be considered up to code if you care, in which case, you should add one. This is a questions for the experts here: Would venting this line (if not already vented) help with increasing the flow?
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Old Aug 25, 2009, 08:52 AM   #15  
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i don't know if it's vented, but i'm betting probably not. the wall behind this one is my living room (no plumbing) and like i said before the attic stairs are what's above my washer and dryer.

how could i find out if it's vented besides busting through the concrete, yanking out the wall or climbing on the roof? would the vent be in the attic or on the roof?

what exactly does a vent do anyway? and what does it look like?
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Old Aug 25, 2009, 08:56 AM   #16  
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Tom,
That's your adapter I'm showing. Is that just a 1 1/2 trap adapter or is it a special adapter for the washing machine hose?

Well, its been working up until now, just leaking, right?

If you want to cover the venting aspect do this;

Change the reducer to a 2 X 1 1/2 X 1 1/2" sanitary tee;
Put a AAV in the top and the trap adapter in the side port
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Old Aug 25, 2009, 09:25 AM   #17  
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what's an AAV? kind of an indoor vent? water can't spew out of it, can it?
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Old Aug 25, 2009, 09:34 AM   #18  
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Air Admittance Valve

Lets air in, doesn't let water out.

Quote:
Originally Posted by fabuloso_me View Post
i think you MIGHT just know what you're doing, dude!
Not me. I make this stuff up as I go along
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Old Aug 25, 2009, 10:47 AM   #19  
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how will the straight edge of the washing machine hose fit into the adapter? like i said, the hose is smooth. it won't be able to screw. will i need to get a different type of machine hose too?
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Old Aug 25, 2009, 11:10 AM   #20  
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The adapter has a compression ring in it. It clamps down around the hose.
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