1. Visiting from the US? Why not try DIYnot.US instead? Click here to continue to DIYnot.US.
    Dismiss Notice

Smell from inside vanity unit

Discussion in 'Plumbing and Central Heating' started by johnny2007, 27 Feb 2021.

  1. johnny2007

    johnny2007

    Joined:
    11 Jan 2012
    Messages:
    3,913
    Thanks Received:
    579
    Location:
    London
    Country:
    United Kingdom
    Quick one, i have a very old vanity unit and a pedestal trap like this one

    https://mcalpineplumbing.com/traps/tubular-traps/x10-straight-through-trap

    In the past couple of days we noticed sewage smell coming from there.
    All main sewage pipes are clear, no blockage anywhere.
    There's no leak anywhere, everything is bone dry.
    Tried running hot and cold water for 10 minutes, still bone dry.
    I removed the trap and it was clean, despite having been there at least 16 years when we moved in.
    Refitted it and same.
    So my next action was to replace the blanking washer on the rodding eye with one from another trap.
    The original washer has a slit all along the rim, that's how it's manufactured, it's not cut, see picture.
    This washer, although not brittle, has become quite hard.
    The one I fitted now hasn't got that slit, it's just a rubber disc.
    Could this be the culprit or is there something else you can suggest?
    I suppose if the problem was with the rodding eye washer I will know in the next few hours, but your input is appreciated.
     

    Attached Files:

  2. Sponsored Links
  3. johnny2007

    johnny2007

    Joined:
    11 Jan 2012
    Messages:
    3,913
    Thanks Received:
    579
    Location:
    London
    Country:
    United Kingdom
    Smell still present.
    Any idea apart from removing the all pipework and redo?
     
  4. HERTS P&D

    HERTS P&D

    Joined:
    9 Apr 2010
    Messages:
    13,076
    Thanks Received:
    2,015
    Location:
    Hertfordshire
    Country:
    United Kingdom
    Does the basin have an overflow? if so squirt some bleach into it.

    Andy
     
    • Like Like x 1
  5. johnny2007

    johnny2007

    Joined:
    11 Jan 2012
    Messages:
    3,913
    Thanks Received:
    579
    Location:
    London
    Country:
    United Kingdom
    It's an integrated overflow.
    But the smell comes from inside the vanity unit, where the trap and pipework is.
     
  6. lostinthelight

    lostinthelight

    Joined:
    11 Feb 2016
    Messages:
    3,153
    Thanks Received:
    610
    Location:
    monmouthshire
    Country:
    United Kingdom
    Got a picture from further out with pipes in place?
     
  7. Sponsored Links
  8. johnny2007

    johnny2007

    Joined:
    11 Jan 2012
    Messages:
    3,913
    Thanks Received:
    579
    Location:
    London
    Country:
    United Kingdom
    I'm going to remove the vanity unit and take a picture, bear with me please.
    Thanks
     
  9. johnny2007

    johnny2007

    Joined:
    11 Jan 2012
    Messages:
    3,913
    Thanks Received:
    579
    Location:
    London
    Country:
    United Kingdom
    Ok, here are the pictures.
    After dismantling the vanity unit i found that the smell doesn't come from its pipework, but definitely from the area where the shower trap is.
    No leak, all perfectly dry.
    Any idea?
     
  10. johnny2007

    johnny2007

    Joined:
    11 Jan 2012
    Messages:
    3,913
    Thanks Received:
    579
    Location:
    London
    Country:
    United Kingdom
    Pictures
     

    Attached Files:

  11. johnny2007

    johnny2007

    Joined:
    11 Jan 2012
    Messages:
    3,913
    Thanks Received:
    579
    Location:
    London
    Country:
    United Kingdom
    Ok, further investigation.
    I blocked the pipe from outside, from the rodding eye and using a party baloon.
    Filled the shower tray with water and kept window open.
    Then I shut the window and after a while the smell is still there, coming from the shower trap area.
    I found that now it seeps from the joint with the shower tray, but I don't understand how the smell is still coming through with the pipe blocked and full of water.
    Please give me some ideas.
     
  12. johnny2007

    johnny2007

    Joined:
    11 Jan 2012
    Messages:
    3,913
    Thanks Received:
    579
    Location:
    London
    Country:
    United Kingdom
    Pictures
     

    Attached Files:

  13. DIYnot Local

    DIYnot Local

    Joined:
    3 Sep 2019
    Country:
    United Kingdom

    If you need to find a tradesperson to get your job done, please try our local search below, or if you are doing it yourself you can find suppliers local to you.

    Select the supplier or trade you require, enter your location to begin your search.


    Are you a trade or supplier? You can create your listing free at DIYnot Local

     
Loading...

Share This Page