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It should be almost to the wall. When the tub is in place you'll be installing the drain and overflow. You'll then connect these to a p-trap and all of that will be connected to the roughed in drain. Give yourself a little room to work, and cut the concrete back to give yourself room to get in. You'll do the connecting from the end of the tub, so also make sure you have access. When it's all over, some city building and zoning departments are requiring that you pour concrete to seal off the exposed ground under the drain.

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โˆ™ 2006-03-04 21:27:18
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Q: When roughing in plumbing in a basement bathroom how far from the wall does the drain need to be for a tub?
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