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- 4 Jan 2021
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Hi, The picture below shows the waste coming from a macerator in the downstairs WC and out through the wall into the stack. I need to site a washing machine in this area just to the right. My dilemma is how do I get my washing machine waste out without drilling a new hole in the wall? Any water would obviously go down the pipe which is not what I want. Would I be best coming out of the wall horizontally and tapping the WM waste into the top of the horizontal pipe aided by a non return valve? Hope this makes sense.