I have to tie in a 3" ABS line to a vertical copper 3" stack. How do I make the connection? Regular sanitary tee is much too large. Is there a special tee that allows making a secure connection?

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Originally Posted by Geoat

I have to tie in a 3" ABS line to a vertical copper 3" stack. How do I make the connection? Regular sanitary tee is much too large. Is there a special tee that allows making a secure connection?

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You first secure the stack from falling with a raiser clamp, (see image) and 2 X 4's. You will purchase a ABS No Hub Sanitary Tee, (see image) and secure it with No Hub Shielded Couplings,(see image). Good luck, Tom

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Originally Posted by speedball1

You first secure the stack from falling with a raiser clamp, (see image) and 2 X 4's. You will purchase a ABS No Hub Sanitary Tee, (see image) and secure it with No Hub Shielded Couplings,(see image). Good luck, Tom

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Will this work with the thinner-walled copper 3" stack?

The 3" band should draw down and make a connection to the copper