Inserting a sanitary tee into existing stack that will not move

denikar

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• Apr 28, 2013

• #1

I'm investigating how to insert a sanitary tee into an existing vertical 3" stack that will not budge at all (vertically). One of the discussions I found here suggested cementing the lower part of the santee and using a fernco fitting for the top part. Is this the recommended method or are there better alternate methods?

Thanks,

Tim

 

Terry

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• Apr 28, 2013

• #2

Normally it takes two of these

Notice the stainless steel wrap that prevents the pipe from shifting?

 

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denikar

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• Apr 28, 2013

• #3

Thanks Terry

 

hj

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• Apr 29, 2013

• #4

If it does not move, there is no way you could "cement the bottom and use a transition coupling on the top", because you would have to cut out enough pipe to angle the Y in, then slide it down, and then whatever you are using would be too short to fill the gap.

 

denikar

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• Apr 29, 2013

• #5

To clarify, the cut stack can be moved enough in the x-y direction, just not up and down (z direction).