Plumbing help - Washing machine problem

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Old 09-23-11, 01:39 PM
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Plumbing help - Washing machine problem

I am having trouble with my washing machine pumping so fast down the dump pipe that it is backing up. Pictures of the pipe can be seen here: http://plumbingdiy.shutterfly.com/

I was thinking of moving the trap down to give the water more lengh to go straight before it goes into that bend. I can only add approx a foot however.

Would it be possible to run more pipe horizontally within that wall as well? I know that would at least give the water even more room before hitting the trap.

I have had drains cleaned out recently.

Any suggestions, tips or solutions to this problem would be appreciated! Thanks
 
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Old 09-23-11, 01:42 PM
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I am having trouble with my washing machine pumping so fast down the dump pipe that it is backing up. Pictures of the pipe can be seen here: http://plumbingdiy.shutterfly.com/

I was thinking of moving the trap down to give the water more lengh to go straight before it goes into that bend. I can only add approx a foot however.

Would it be possible to run more pipe horizontally within that wall as well? I know that would at least give the water even more room before hitting the trap.

I have had drains cleaned out recently.

Any suggestions, tips or solutions to this problem would be appreciated! Thanks
 
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Old 09-23-11, 01:59 PM
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Hi.

Your supposed to have 18" min. stand pipe before it gets to the trap.

Everything needs to be moved down. Dont know why someone piped it like that. You have all the room in the world.....

Is that Y down low for a sink?

I would move the box over 1 bay and repipe properly. More like this.



Mike NJ
 
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Old 09-23-11, 02:04 PM
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Yes, the Y is for the upstairs sink
 
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Old 09-23-11, 02:31 PM
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Yes, the Y is for the upstairs sink
The open Y down towards the floor? Why is nothing hooked to it?

If the Y next to the trap that looks like a vent is what your talking about, then that whole set up is not to code. You are wet vented. Water will siphon out of the trap and deadly sewer gas can be released into your home.

You need to run a seperate vent for the washer. It needs to tie in at a vent, above the highest fixtures flood plane in the home. Or for the group of fixtures on that vent or stack.

Mike NJ
 
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Old 09-23-11, 02:55 PM
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That open Y is a cleanout. The Y on backside of wall is where the sink drain comes down.

The pipe with the red rag is where the washer used to dump. The whole setup used to be on that side of the wall.
 
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Old 09-23-11, 03:10 PM
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Its not to code. I cant suggest anything except to plumb it to code.

You need to vent any plumbing that is tied into that line from the sink upstairs to where it goes into the floor. Additionally that copper line with the rag needs to be vented if your going to use it. Or cap it.

Even though it was not vented before , it is code now. Since you altered what was there this is what needs to be done.

Mike NJ
 
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