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Difficulty accessing header tank in attic

Discussion in 'Plumbing and Central Heating' started by sam71, 3 Aug 2014.

  1. sam71

    sam71

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    Hello,

    I recently turned on the cold water tap in the bathroom and a lot of mouldy dark green gunk came out. In the past there have been the odd few grains of black stuff, but this was considerably more. I realise that there is a problem with the header tank in the attic. We have a mains cold water tap in the downstairs loo so we can use that for teeth brushing etc for now.

    I have 2 questions: Firstly, why is this stuff not coming out of the hot bath tap as well as the cold? We have a cylinder/tank in the airing cupboard and I assumed this was filled by the header tank as well. I hope the gunk isn't filling up the hot water cylinder! I realise that all systems are different but was hoping someone could shed light. Maybe this is filled from the mains or there is a filter.

    Secondly, due to the style of our house, the attic is very small and the tank is squished up at one end and it looks pretty difficult to get to. There are no planks in the attic to enable it to be reached without risking a foot through the ceiling too. In theory I think the tank just needs cleaning and draining, but I don't think it's easy to access. If we got a plumber in, they'd need to be pretty small and bendy! Is it common for header tanks to be in difficult to reach positions? Should we get a plumber in or try to do it ourselves because I think it looks like a tricky job. If we do it ourselves, I guess it is a case of drain, clean, flush out and refill and try not to fall through ceiling.

    Thanks in advance for any suggestions.
     
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  3. Burnerman

    Burnerman

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    Header tanks are often placed as high as possible to give the maximum head for a gravity shower. This tank should be pretty large - 40 gallons plus.
    If you have a conventional copper cylinder, this will supply all of the hot taps with heated water.
    Investigate your header tank, but board over that area of the loft so you can work there from a pair of steps.
    John :)
     
  4. St0rmer66

    St0rmer66

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    Is it a plastic tank in the loft or metal?
     
  5. sam71

    sam71

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    Thanks John. Still don't understand why the black stuff doesn't come out of the hot taps too. Is it building up in the cylinder?

    St0rmer66 - it's a plastic tank.

    Cheers
     
  6. St0rmer66

    St0rmer66

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    Could be settling in the bottom of the cylinder..

    Well that rules out the tank rusting at least.
     
  7. Plumber90

    Plumber90

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    Sent you a pm
     
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