DWV hub at 60 degrees

concretehouse · Jul 20, 2006

My house is about 100 years old and the walls are poured concrete. The cast iron stack is in the wall!
The hub for the upstairs bathroom comes out at a 60 degree angle.
Does anyone know of an adapter to bring it to 45 degrees.
I'm using PVC. I have a rubber 3" PVC to 4" CI insert.
There is little tolerance for up and down because the top of the hub is about even with the joist.
Ive been told two 22 1/2 elbows could do it but I don't see how.

concretehouse · Aug 1, 2006

here's my solution

This is a picture of what I put together. (see attachment)

Sponsor · 2022-01-29T12:20:58-0800

hj · Aug 1, 2006

60

concretehouse said:
My house is about 100 years old and the walls are poured concrete. The cast iron stack is in the wall!
The hub for the upstairs bathroom comes out at a 60 degree angle.
Does anyone know of an adapter to bring it to 45 degrees.
I'm using PVC. I have a rubber 3" PVC to 4" CI insert.
There is little tolerance for up and down because the top of the hub is about even with the joist.
Ive been told two 22 1/2 elbows could do it but I don't see how.

You can use a 1/6 bend which is a 60, or a 1/8 bend and a 1/16 are almost a 60. It depends on whether you have to bend it 60 degrees or 30 degrees. Your picture does not help.

DWV hub at 60 degrees

concretehouse

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concretehouse

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hj

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