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Discuss Advice for adding a branch into my existing stack in the Plumbing Forum area at UKPlumbersForums.co.uk.

  1. J murton

    J murton Member

    hello

    Would like some advise on how to connect a new toilet to my existing stack.

    I currently have one toilet upstairs but plan to run a new waste for a new downstairs toilet.

    I know I have more than enough space to run the waste but my question is what is the easiest way to put a new branch connection into my current stack ?

    Any recommendations would be helpful

    Thanks.

    835E1B3A-4BA6-4DAB-A52E-C2E2E9A97EC6.jpeg
     
  2. Riley

    Riley S. Mod Trusted Plumber GSR Top Contributor!!

    Yes tee branch with the horizontal to a 90°through the wall. And sort out your outside tap that’s shocking :)
     
    • Funny Funny x 1
  3. Craig Watson

    Craig Watson Plumber GSR

    First thing you'll need to establish is where your current floor level is in relation to outside. What I would look at doing is removing the 2 67.5° bends at the base of the stack. Then depending on height of new toilet waste. Come up with a straight section of pipe. Tee accross for new toilet. Then 2 new bends on top of the tee to reattach the stack.
     
    • Like Like x 1
  4. J murton

    J murton Member

    Haha it’s a new house for me so I have lots to do. The stupid hose tap will be gone soon though :cool:
     
    • Like Like x 2
  5. J murton

    J murton Member

    This seems like a very good idea. I didn’t think of that. Thanks for your advice. I have a air gap beneath my house so plenty of room for the new stack to connect up.
     
    • Like Like x 1
  6. J murton

    J murton Member

    Picture shows space. Probably about 1.5 meters from floor to ground.

    95A05B57-FDED-421E-9CD9-DC1FCD89B340.jpeg
     
    • Friendly Friendly x 1
  7. Rob Foster

    Rob Foster Top Contributor!!

    Its all very well measuring but I have found over the years poke an sds drill narrow one out thro the wall and see where you end up level wise and work off that, we will help you Rob Foster
    aka centralheatking
     
    • Like Like x 3
    • Agree Agree x 1
  8. J murton

    J murton Member

    Thanks will do that
     
  9. J murton

    J murton Member

    I also have another question.
    I’d like to change the stack because it’s a real eye sore.
    Does the stack need to go as high as it does ? Or can I have it lower with an air valve instead ?

    BB82E1F5-37F1-423A-B740-9ACD6970BC1D.jpeg

    2DDE72DE-57A8-48DB-ADE8-428D98A7DC3C.jpeg
     
  10. Rob Foster

    Rob Foster Top Contributor!!

    Why fix whats not broken, durgo or air admitance valves are an extra moving part which you do not need. Maybe you might want to go into the loft one day...who knows centralheatking
    It looks like you are well in if thats a suspended floor air vent in the wall in one of the earlier piccys
     
    • Like Like x 1
  11. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    Would leave as it if you want to smarten it up get some black paint and some new clips
     
    • Like Like x 2
  12. snowhead

    snowhead Plumber

    Paint it.
    Don't use undercoat, just gloss, clean the green algae off first.

    The 2 horizontal runs (from the bathroom?) could do with brackets and the rodding Tees are on the wrong way around.

    Stack pie as per Craig, maybe with a rodding access just above the ground.
     
    • Like Like x 2
  13. J murton

    J murton Member

    Great advice all round. Thank you
     
  14. J murton

    J murton Member

    Can anyone clarify if push fit 110 is compatible with solvent weld 110 ?
    Thanks
     
  15. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    Yes same pipe used for both
     
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