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Kitchen Mains fed from tank?

Discussion in 'Plumbing and Central Heating' started by Paolo M, 10 Aug 2021.

  1. Paolo M

    Paolo M

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    Hi there

    moved into a new build. Have always wondered why the cold tap in the kitchen seems to feed water that is not very cold (Even when ran for a good few mins)

    Realised today that when I run the cold tap , a pump beside a tank in the attic activates which makes me think it’s feeding water from this tank which would have a higher ambient temp than mains water, and is not then mains water.

    there is a tap outside and when i open this It does not activate the same pump and the water is good and cold (and much higher pressure too


    The questions I have are :
    should the kitchen tap be fed from the supply in the attic or direct from mains?

    or am I assessing the situation incorrectly and is there simple a way to find out for sure how it is fed?

    here in Dublin, Ireland in case that has a bearing on regs.

    thanks
     
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  3. bernardgreen

    bernardgreen

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    Drinking water should be direct from mains,

    Water from the attic could be contaminated by anything that got into the tank and then died by drowning
     
  4. Paolo M

    Paolo M

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    Yeah this was my thinking.
    In my case, Is there a definitive way I can validate that water in kitchen is not mains fed? And also, are there regs that I can equip myself with to step to the developer and make them remedy this issue?

    (FYI the tank appears to be a sealed unit)
     
  5. bernardgreen

    bernardgreen

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    That proves the kitchen tap is not connected to the mains.
     
  6. Paolo M

    Paolo M

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    Ok thanks.
    Are there actual regulations for this that I can use to force the developer to resolve ?
     
  7. Madrab

    Madrab

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    Yes, a new build shouldn't pass regs sign off if at least one tap within the building wasn't fed by the mains to provide drinking water (usually the kitch sink tap). Certainly in the UK. Not sure if Ireland would be any different.
     
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