Wescotthouse
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I have a 50 year old ranch with hollow-core concrete slab subfloors. One of the previous owners converted a 2 feet deep master bathroom closet into a shower. I tore it out to put in an adequate size shower.
The original shower drain had an S-trap. I want to put in a P-trap but that's where my problem begins.
I think the previous owner did that because directly below the drain hole is where the ducts are. By putting in the S-trap inside the hollow-core, the previous owner was able to have the pipe come out of the basement ceiling and miss the ducts.
If I put the drain riser vertically through the hole where the original S-trap exited, the drain hole would be on the shower curb.
So my question is, how do I install the drain line?
I was thinking of maybe having the riser where the original shower drain was, adding an 90 degree ell to it, run a short (10 inches) horizontal line, add a 90 degree ell so I could have a vertical pipe come out of where the original S-trap exited, and finally add the P-trap. Sort of like the waste arm you would use for a dual kitchen sink waste lines.
According to this poster http://www.askme********.com/plumbing/modifying-drain-line-reach-new-shower-240542.html#post1167361 , he says I can't do it. So what can I do?
The original shower drain had an S-trap. I want to put in a P-trap but that's where my problem begins.
I think the previous owner did that because directly below the drain hole is where the ducts are. By putting in the S-trap inside the hollow-core, the previous owner was able to have the pipe come out of the basement ceiling and miss the ducts.
If I put the drain riser vertically through the hole where the original S-trap exited, the drain hole would be on the shower curb.
So my question is, how do I install the drain line?
I was thinking of maybe having the riser where the original shower drain was, adding an 90 degree ell to it, run a short (10 inches) horizontal line, add a 90 degree ell so I could have a vertical pipe come out of where the original S-trap exited, and finally add the P-trap. Sort of like the waste arm you would use for a dual kitchen sink waste lines.
According to this poster http://www.askme********.com/plumbing/modifying-drain-line-reach-new-shower-240542.html#post1167361 , he says I can't do it. So what can I do?
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