Hi all. We are currently fitting a downstairs toilet and are unsure how to connect to the stack. I am unable to tie in to vertical outside the 450mm allowance from the lower long radius bend so only other option i see would be to branch into the horizontal pipe before it exits my house. Would this be ok thanks and regards keith
Basically a WC manifold system, it all depends on the fall. See pages 13-22 of this Marley catalogue. https://www.google.co.uk/url?sa=t&rct=j&q=&esrc=s&source=web&cd=11&ved=0CFgQFjAKahUKEwjPnMrj69vHAhUJQtsKHfn4B1E&url=http://www.marleyplumbinganddrainage.com/download/2186/soil---waste-design---installation-manual--pvcu--hdpe---dblue.html&usg=AFQjCNEINoKTf-EKXEruBuzi-mrr_8iI1w&cad=rja
Ok ive saved that pdf. I have a 600mm length with a 20mm fall before it joins onto brown plastic ground pipe which falls approx 60mm per 600mm before it exits house. Im thinking to branch in before the change in gradient ta