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mingus69 · Dec 5, 2007, 08:00 AM

This question has been asked many times I'm sure but I've attached a sketch of my condition... can any when tell me if this will work? Or should I use the standard washing machine p-trap assembly? I just thought it would be better to have the washing machine drain into it's own 2" line then almost directly to the 2" waste at the wall.

ballengerb1 · Dec 5, 2007, 08:09 AM

Your drawing looks like it should work. The stand pipe should be at least 33" tall. If you ever get any backup up you can add a water tght collar at the top but this rarely is needed. Some new Maytag washer pump a lot of water and can cause even a 2" pipe to back up with no clog or restriction in the pipe.

Cheffie · Dec 5, 2007, 08:19 AM

Originally Posted by mingus69

This question has been asked many times i'm sure but I've attached a sketch of my condition...can any when tell me if this will work? or should i use the standard washing machine p-trap assembly? I just thought it would be better to have the washing machine drain into it's own 2" line then almost directly to the 2" waste at the wall.

I have done a similar set up like your drawing and it works fine, when I set up mine I figured that when the water begins to go through the waste water line it would create suction and draw the water away from the bathroom sink, and it does.

speedball1 · Dec 6, 2007, 06:21 AM

This set up should drain OK. My only concern is the elevation of the sink. A partial clog or a high output washer pump, such as a Maytag, could force the discharge back up through the sink. HGor high is the sinks rim in relationship to the washer stand pipe. If this does occur do you have a way to seal off the sink? That would solve the problem. Good luck, Tom