2" shower drain to 1-1/2" tub drain?
Posted by jeff c on May 09, 2004 at 22:41:54:
i am currently taking out an old cast iron tub from a 1959 house bathroom and replacing it with a shower. the new shower drain is 2" and the old tub drain line was 1-1/2" to the stack.

can i use a flexible couple to join the two lines - will i create a problem - or do i need to change out the line all the way to the cast iron stack. it is only about 2 feet of drain line but the connection to the iron stack is tight and quite hidden away.

this seems like it would be a common problem for renovations - what is the best way to handle it?

thanks

jc




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