Re: Rethread cast iron pipe tee

Posted by hj on April 13, 1999 at 21:10:52:
In response to Re: Rethread cast iron pipe tee
You need a 1 1/2" pipe tap to clean the threads. : The DWV stack in our house is 3" cast-iron and the feed into it from the bathroom sink was galvanized pipe. When I took down the wall (plaster and lathe) behind the sink, I found that this pipe had corroded and had broken off from the tee on the cast iron pipe, leaving some of the pipe behind in the stack. I managed to hacksaw the pieces out of the tee, but I : can seem to get all the garbage out of the threads to thread another pipe (ABS-adaptor) in. What can I use to re-thread the tee?

Posted by hj on April 13, 1999 at 21:10:52:

In response to Re: Rethread cast iron pipe tee

You need a 1 1/2" pipe tap to clean the threads.

: The DWV stack in our house is 3" cast-iron and the feed into it from the bathroom sink *was* galvanized pipe. When I took down the wall (plaster and lathe) behind the sink, I found that this pipe had corroded and had broken off from the tee on the cast iron pipe, leaving some of the pipe behind in the stack. I managed to hacksaw the pieces out of the tee, but I
: can seem to get all the garbage out of the threads to thread another pipe (ABS-adaptor) in. What can I use to re-thread the tee?

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