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Posted by DanG on July 9, 2006, 1:13 pm
You are on the right track. You can use either Ferncos or no-hub
band clamps. You will need 2 of them, one at each end. I doubt
that you will be able to make up the connection on one end only.
The glue hubs are larger than the pipe. You will either need
ferncos with different ends or you will need to flue in short
nipples of pipe. Slide the adapters onto the pipe after you cut
out the appropriate section, install new piping, slide adapters
and tighten.
______________________________
Keep the whole world singing . . . .
DanG (remove the sevens)
dgriff237@7cox.net
>I am adding a toilet and sink in my basement. I have a permit and
>have
> cut up the slab and have located the 3 inch ABS drain pipe. I
> know how
> the pipes will flow and I have a vent pipe located. Everything
> is ready
> but....
>
> I am not sure how to insert the 3 inch Wye into the existing
> 3inch ABS
> drain pipe under the slab.
>
> I know about a fernco fitting and bought one at Home Depot. It
> is a 3
> inch plastic to plastic one that is all rubber with a clamp on
> each
> end. I think I read here those could not be used underground. Is
> that
> true?
>
> My plan was to cut a section of the current 3 inch ABS out and
> leave
> room to attach a small stub pipe to one end of the WYE. Then
> slide the
> Fernco fitting over the other end of the existing pipe, insert
> in the
> WYE with the stub piece so there is about a 1/4 gap between the
> stub
> piece and the existing pipe and then slide the fernco over this
> 1/4
> inch gap and tighten the clamps after I glue the WYE to the
> other
> existing piece.
>
> Can this fernco fitting be used underground? Or do I need one of
> these
> with a metal sleeve? I keep seeing a picture od a PROFLEX
> fitting but
> can find none online.
>
> Also, can someone tell me is a SLIP fitting would be better? It
> sounds
> better but seems like once I apply the glue you have to move
> really
> quickly to make it work.
>
> Any help would be so appreciated.
>
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