Blowing hot and cold

Discussion in 'Plumbers' Talk' started by Aldiy, Jun 21, 2022.

  1. Aldiy

    Aldiy New Member

    Hi everyone I live in a flat 2nd floor , but can’t seem to get a decent constantly hot shower without it going freezing and waiting for it to go hot again .
    It’s only a wall mounted shower head from mixer tap on bath but surely hot is hot without dropping out , the boiler is a combi potterton pro max but getting frustrating now as it’s happening regularly now
     
  2. dcox

    dcox Screwfix Select

    A couple of things to try:

    Run the bath hot tap and monitor temperature. If it stays hot:

    Run the shower with the shower head removed and monitor the temperature.
     
    Aldiy likes this.
  3. Aldiy

    Aldiy New Member

    Thanks it seems temp is stable through tap, and pretty constant through shower pipe no head but mat change a bit when holding pipe at shower height every shower acts different depending on mix of hot and cold
     
  4. Notnowvicar

    Notnowvicar Active Member

    Bath combined units, taps and shower in the same unit, are not normally thermostaically controlled and therefore the cold water pressure will dictate the temp at the head. Flats normally come of the same branch from the main so you are sharing the pressure with other flats, ie t off main then the water meters.
    Its not that expensive to fit a bar type thermostatic shower, all the feed pipes are under the bath and surface mount pipe to come up the wall looks fine.
     
    Aldiy likes this.
  5. Aldiy

    Aldiy New Member

    im beginning to wonder about pressure as it’s all a bit low on a few taps , if you flush loo or use washing machine we have no chance with a shower at same time
    Thanks tho maybe I’ll get Someone to look at it
     
  6. Notnowvicar

    Notnowvicar Active Member

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