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Big_Jake Big_Jake is offline
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Default Tying into the seage drain

On Sep 21, 7:11*am, wrote:
On Sep 21, 4:19*am, Aaron Fude wrote:



On Sep 19, 10:15*pm, evodawg wrote:


Big_Jake wrote:
On Sep 19, 3:34*pm, Aaron Fude wrote:
Hi,


I have recently posted a question about tapping into this drain:


http://freeboundaries.com/drain.jpg


and I received good advice to actually tie into one of the smaller
pipes that go into it. Well it turns out that that location is too
high and would allow the space for a long-enough standpipe for my
washer.


So I have to tie into that drain somewhere lower. The drain that you
see in the picture is actually 4 feet off the floor but it takes a 90
degree turn downwards and it's into this vertical part of the drain
that I would need to tie in. So my question again is: what's involved?
I assume it's cast iron so I would somehow have to drill a hole in the
cast iron and attach a 2" pipe. What do I need and where do I start?


Many thanks in advance,


Aaron


No, you don't drill a hole in it. *You cut out a section of it and tie
in a PVC (or ABS in Canada and some western states) 4" x 2" WYE (or
sanitary Tee) with a couple short pcs of 4" PVC above and below, and
use Clamp-Alls to tie to the cast iron. *A "snap cutter" makes short
work of cutting the stack, but I have good success with a 4" grinder
and a cheapie diamond blade.


Feel free to email me off list for more details if you need them.


JK


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Thanks for the advice!


Just so that I visualize it correctly, does the PVC pipe go on the
inside for the stack, the outside, or just about flush?


Also, I own a grinder, buy I am wondering if it would still work if my
stack is only a couple of inches away from the wall.


Thanks again,


Aaron- Hide quoted text -


- Show quoted text -


It has to go flush so the rubber coupling will slide over and seal
against both pipes where they meet.


Yep. Cutting the pipe close to the wall will be tough with the
grinder. The least difficult way to finish off the cut will be a
recip saw with a grit blade, but that is still tough. You might want
to rent a snap cutter instead.

JK