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  • How do I fix low pressure on a cold water bathroom tap?

    Bathroom Specialists

    Hi all
    I have found my bathroom sink’s tap for cold water suddenly has very low pressure, yet the hot water tap in the sink runs fine. The baths’ taps are also running fine.
    Also, there is a mixer tap and I have a combi boiler setup.
    Does anyone have any idea how this has happened or how I can fix it? Or will I need to ring a plumber?

    Asked by Pete on 27th Feb 2019
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    Swansea Plumbing And Heating

    "Hi

    Here are a few checks which could help:
    - Find the isolator valve for the cold tap (underneath the sink); turn the valve 90 degrees forward and back a few times (use a flat-head screwdriver) – this could clear sediment blocking the flow (if any)
    - Clean the filter for the mixer tap – it may have some sediment of blockage too
    - Using a wine cork to seal the tap temporarily, pushing it up the spout. Then turn on the cold water, then the hot water – which will bring the hot water through the cold and should clear any airlock
    - If you are confident to, take apart the tap (remember to turn off the water while you do!) and investigate any possible causes

    Hopefully some of these ideas can solve this for you – but if you are not comfortable with any of them or find none of them resolve the issue, I would recommend posting a job to find a local plumber for you!"

    Answered on 27th Feb 2019 - Member since Mar 2019 - report
    Handy Plumbers

    "Hi,

    without knowing what tap you have, sounds like there is a problem with your tap I recommend taking the tap apart first and inspecting the problem."

    Answered on 1st Aug 2019 - Member since Jun 2016 - report
    Cls Plumbing & Renovation

    "Sounds like the cold section or cold tap is stuck so when you think you are turning the tap on the inside section is not opening up fully, that is all it will be."

    Answered on 19th Jul 2019 - Member since Jul 2019 - report

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