Sorry, I did look to see if this was covered elsewhere but couldnt find it with my specifics
I want to put a toilet in my new loft conversion. The nearest down pipe is a cast iron stack (4 inch) which comes out of the ground with nothing connected to it. It runs into the same drain (i lifted the manhole and counted the branches)as an existing plastic stack goes into which is my original wc. I assume the cast pipe is some kind of drain vent pipe then(?). It has no gully at the bottom.
So, my 2 questions, if anyone can help, are,
1)can I put a timesaver into the cast stack and run a new toilet into it?
2)If I can, do I need to make the stack taller, extending it above the bedroom window?
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