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Need advice on trapping/draining/venting a replacement washtub & standpipe

Need advice on trapping/draining/venting a replacement washtub & standpipe


  #1  
Old 01-27-07, 09:40 AM
M
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Need advice on trapping/draining/venting a replacement washtub & standpipe

I want to replace my existing concrete double basin washtub with a new single plastic unit. At the same time I also want to add a standpipe for the washer to drain into and also drain the softener into something other than the washtub.

My question is draining/trapping or how to I guess. As drawn in the picture, can I add a standpipe to the left of the washtub, elbow over (no trap) towards towards the washtub, go into a wye which is also connected to the washtub drain, into a trap, and then into the drain stack?

Is there any reason both the standpipe and washtub drain need individual traps?

Do I need to do anything with venting?

I can accomplish the work no problem, I just need direction.

Any recommendations appreciated.

Thanks!

Picture two shows the drain piping for a shower in the bathroom just above. Continuing to the right is a long run to the kitchen sink drain.

http://s92800444.onlinehome.us/Ebay/washtub1.jpg
http://s92800444.onlinehome.us/Ebay/washtub2.jpg
http://s92800444.onlinehome.us/Ebay/washtub3.jpg
 

Last edited by mckeand13; 01-27-07 at 10:40 AM.
  #2  
Old 01-28-07, 06:47 AM
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traps and vents

i would install a 4x4x2 san tee in the drop on the left for the washer. the bottom of the washer trap should be 6 to 12" from the floor with a min. 40" riser. then hook the wash tub up to the drain on the right. the drain on the right is a 1 1/2 san tee which is too small for the washer drain. so to connect both drains to the right you would have to switch this fitting anyways. or you cold get a double san tee and connect both fixtures to the left and cap the run on the right.
 
  #3  
Old 01-29-07, 05:19 PM
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I like that idea. Thanks.

Can I also get a recommendation on what to do with my softener drain and brine tank overflow?

For the softener drain, can I put a san-tee just after the tailpiece and before the trap for the washtub?

And still, what do do with the overflow......
 
 

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