DIYbanter - View Single Post - Internal waste pipes, eg. Bath, shower, sink.

wrote:
I was hoping to join two wastes in my re-plumbed bathroom (washbasin
and bath) but the above problem suddenly occurred to me and I don't
think I can do it. Unless, of course, one-way valves can be put into
waste pipes.

A running HepVo should work well as a one way valve in this situation.

--
Toby.

'One day son, all this will be finished'