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Discuss Cutting in 4” time saver branch in the Plumbing Forum area at

  1. ThomasL

    ThomasL New Member

    i have a 4” soil stack with a cross branch at ground floor level to take two separate toilets, with the vent going to the roof. Can I cut in a 4” branch to take an upstairs toilet on the first floor?
  2. townfanjon

    townfanjon Trusted Plumber GSR Top Contributor!!


    Edit .. hope its plastic lol
    Last edited: Feb 9, 2018
  3. king of pipes

    king of pipes Trusted Plumber GSR Top Contributor!!

    yes mate no problem , cheers kop

    CHRISX Active Member

    Hello townfanjon,

    If the branch that ThomasL / the OP has named in the title of this thread as `Timesaver` is what he wants to use - it is a Cast Iron fitting which in the `Timesaver system` is joined to the Cast iron pipe using 2 piece `couplings`/ collar clamps which are torque bolted around a Rubber `collar` type gasket.

    If he wants to use this Branch fitting on an existing Cast Iron stack I am not sure without researching the diameter of the Timesaver fittings / `couplings` whether it would fit or not.

    I installed a lot of this `Timesaver system` for Soil, Waste water and Vent stacks on a contract for Nurses accommodation at Guys Hospital [in London] back in about the mid 1980`s - BUT - it was all from the Drains up on internal Stacks - I have never connected it to an existing Cast Iron Soil stack.

    Because the bolted `couplings` are not particularly good to look at [especially with 3 of them on a Branch] I would not have ever considered this system for external Soil stacks so I have not used this `Timesaver` system on any of my own contracts since that Job.

    I would also guess that the prices are prohibitive for even installing a Branch - let alone erecting an entire Soil stack !

    Here is a Link to a recent Catalogue:

    ThomasL - I would advise You to research the diameter of the Timesaver 4" Branch and `couplings` / collar clamps and check the diameter of the existing Soil stack that you want to connect to.

    The Catalogue states - 100mm - but do the fittings, couplings & pipe actually measure that O.D. ?

    Could You please clarify if you are asking about a `Timesaver system` Cast Iron Soil Branch.


    Last edited: Feb 10, 2018
  5. king of pipes

    king of pipes Trusted Plumber GSR Top Contributor!!

    You can do it just make sure you get the correct rubber two piece couplins and hire yourself a aluminum tower scaffold to work safely . cheers kop
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