Hot Water/Shower Issue

Discussion in 'Plumbers' Talk' started by Uzaro, Feb 10, 2019.

  1. Uzaro

    Uzaro New Member

    Bit of a weird one, and can't find any other posts like this, so hopefully someone can help.

    We recently bought a house which has an old immersion boiler. After moving in, we started renovating the bathroom and swapped out the bath for a mixer shower. The switchover went great, the shower was working how it should, hot and cold water coming out perfectly.

    After a month or two, we noticed that upon turning the hot water on, it would take about a minute for the hot water to come out. As time passed, this delay got longer and longer, until now it won't come out on its own accord.

    We discovered to get hot water through the shower, we have to turn the shower's hot water valve on, then go over to the washbasin next to it, and keep pumping the hot water tap on and off quickly, before it comes out the shower head. Once this process is done, hot water comes out of the showerhead as it would normally, so it's almost if it needs some sort of pump to force the initial rush of water up the pipe to the mixer.

    Cold water doesn't have this issue; and will come out straight away.

    Any ideas what could be causing this? Could this be caused by low water pressure?
     
  2. spirits are real 2016

    spirits are real 2016 Active Member

    where about is the cold tank that feeds the hot tank is it in the loft or just above the immersion heater.
     
  3. Uzaro

    Uzaro New Member

    The cold water tank is in the loft of the house, but it's worth mentioning that the bathroom is also downstairs, with the Immersion boiler in the same room.
     
    Last edited: Feb 11, 2019
  4. gas monkey

    gas monkey Member

    Hello you have an air bubble stuck in your pipe connect a pipe hose to the shower and blow it up to the tank be ok after but do not use all the water in the tank agai n or fit a larger or dual tank
     

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