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Old 03-30-2011, 10:16 AM   #1
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Extending a lead toilet drain.

This Hvac guy is playing reno man
I've got a 110 year old house with a small bathroom in the basement.
I'd like to move the toilet 6 " to 10'' further away from a shower stall. The bathroom ceiling height is low and the floor is concrete. The toilet drain is lead pipe. Any advise on the best/easiest way to extend the drain a further 6" to 10'.
I'm wondering about what type of connecters to use that minimize the chance of stuff catching on the leading edges. I'd also like to alter the direction enough to move the drain location a few degrees from 11" centered from the wall to 12'' to accomodate more conventional toilets.


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Old 03-30-2011, 02:45 PM   #2
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No problema. Probably going to have to rent a jackhammer and break open the floor and add to the pipe. The brown stuff flows downhill and that pipe needs slope for it to get there. No easy way to do it. If you get flooding in your area/sewer backup you may want to add a backup valve to the toilet line or one that does the whole house where the sewer line enters. A ballcock in the floor drain won't prevent the sewer from backing up and blowing out thru the toilet or shower if you have one downstairs. I have 5 Pro plumbers where I work and learn from them. We are in a flood area and sewer backup protection is a BIG issue here.


"Cut it twice and it is still too short".
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Old 03-30-2011, 04:19 PM   #3
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I know of no way to extend lead without using more lead. Best to take it back to cast iron and pipe to your new location
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Old 03-30-2011, 10:30 PM   #4
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I agree w/ yuri and E-Plumber. You're gonna have open up the floor, cut your pipe back and extend/re-route to new location.
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Old 03-31-2011, 12:02 AM   #5
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Was lead used just as elbows are am I likely to find it attached to a lead pipe as well? One person I talked to thought that lead was usually restricted to the last fitting. I guess I'm trying to get a feel for how much concrete I'm likely to need to remove since it is heading towards and under a newly installed show stall?
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