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Washer Pipe Surpasses Floor

3K views 16 replies 7 participants last post by  Solidify 
#1 ·
Is there a reason the PVC drain line for my washer was installed surpassing the floor like this?
 

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#2 ·
Looks like a DIY attemt at using a clean out for a drain.
Bet you open up that wall and there's not even a trap for that drain.
There should have been a washer box installed in the wall for the drain and the supply's.
No clue what you mean by "surpassing the floor".
 
#4 ·
If I understand your question correctly, you are asking why the washer drain doesn't go straight down to the floor from the back of the washer. Is that correct?

They all rise up to about 3 ft before draining. I think washers rely on gravity to prevent the washer tub from draining during the wash and rinse cycles. Then the drain pump forces the water up the drain hose during the drain and spin cycle. They are all set up like that.

Maybe one of the plumbers on here can provide a better explanation as to why they operate like this.
 
#5 ·
What you see at the floor looks like a 45* vertical offset to miss a floor joist or beam under the sub floor.
Th upper pipe is not too uncommon. Instead of a washer box, a 45* fitting is rolled out the wall to receive the hose.
Because it appears off set to the lower pipe I will assume it has a trap.
My code says minimum standpipe length is 18", max. is 36". That is why it's at the height it is
 
#15 ·
What you see at the floor looks like a 45* vertical offset to miss a floor joist or beam under the sub floor.
Carpenters have no consideration of any of the plumbing trades when they lay out joist. My guess is the plumber could not enter the wall below because something was making that route impossible or someone hired a moron to do the work.
These are the best answers you'll get. You will need to trace the pipe through the floor for a definite answer.
 
#7 ·
It just looks like it was poorly done. Is this a basement or area that was unfinished before? Maybe the pipe was there and they wanted the wall as far back as possible and figured it didn't matter since it would be hidden. Either way, doesn't really appear to be an issue so ignore it.
 
#10 ·
I wouldn't be surprised Ghostmaker; over the years we've unraveled plenty of pour tradework. However, this situation almost seems like it was done intentionally, maybe as a way for the homeowner to be aware where the drain passes, to avoid damaging it, sort of the way a gas line flag functions. I could be wrong though.
 
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