PVC Problem

Cspell

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• Jan 10, 2007

• #1

I'm the one with the wall-mounted toilet issues, I finally discovered where the leak was coming from... the pipe that the toilet connects to has a rather large crack in it just behind the flange. I need to remove the flanged pipe that fits into the 3" T in the wall. Is there anything I can use to disolve or remove the old pipe that is cemented in without harming the T section it fits into?

 

Gary Swart

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• Jan 10, 2007

• #2

No. PVC is not actually glued, it is solvent welded. The so-call glue actually melts the surfaces of the pipe and pipe fitting for a few seconds. When the joint is formed, the soft PVC from both pieces blend together. Sometimes it is possible to carefully cut through the fitting in several places and then chisel out the pieces, but it would be better to cut the old out and replace.

 

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hj

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• Jan 11, 2007

• #3

pvc

Cut the pipe off flush with the tee. Place a geared hose clamp around the front of tee's opening and tighten it securely. Then cut, or melt, a groove in the pipe out to the inside of the tee. You will then be able to insert a thin screwdriver beteen the tee and the pipe and peel it out. Usually it comes out in one piece, but if it breaks off, the piece can be "chiseled" off of the tee with the screwdriver.

 

TedL

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• Jan 11, 2007

• #4

Here's a tool (the shredder) designed to solve your problem. I have no idea of the cost; I've only seen it advertised in P&M.​

http://www.rectorseal.com/gldngrp.htm#shredder

Something like this could make it a very quick job for a plumber who has one.

 

Last edited by a moderator: Jan 13, 2007

Markts30

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• Jan 11, 2007

• #5

We have used reamers for PVD fitting on occasion...
Problem is, for larger pipe (above 1 1/2" or 2" you will need a good strong angle drill or equal and have to be really careful not to have it bind....
The "Ram-Bit" style we use is fairly inexpensive and works well...

 

Leejosepho

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• Jan 13, 2007

• #6

Thank you, hj, Ted and Mark! I have long wondered about doing that, and now I at least know where to begin. I have a drain fitting I need to re-do when I get a little farther along with our new bathroom, and you might have just shown me how to resolve my long-run slope problem!

 

Randyj

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• Jan 13, 2007

• #7

That shredder looks very much like a ridge reamer used to smooth the top a cylinder in an automobile engine... might just give me an idea! I've got one of those in my storage building!