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Discuss Advice needed pipe size and where to change in the Fittings & Pipes area at UKPlumbersForums.co.uk.

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  1. daro6789

    daro6789 New Member

    hello all pretty new to the forum and was after some advice.
    I am fitting a new bathroom/wet room in a house I have just bought and wanting to move the waste thus putting a new length in and a boss onto the 4inch soil that is set in the concrete floor. My question is am I ok to run the 1 1/2 pipe from shower to pick up the bath then into the boss a length of about 3 metres concreted int the floor or should I extend the 4inch as far as I can under the bath and shower then just drop down with the smaller pipe into the 4inch.??? Would it make a difference either way?

    I have taken the concrete up in the room as to get the wastes where I want them.
     
  2. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    tbh you would be better installing 2" if your going to tee the bath into the shower waste
     
  3. daro6789

    daro6789 New Member

    Ah ok so the 2onch would be better to take them both and would be ok concreted back in then.
     
  4. ShaunCorbs

    ShaunCorbs S. Mod Trusted Plumber GSR Top Contributor!!

    yes as-long as its supported
     
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