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Advice on concealed cistern installation

Discussion in 'Plumbing and Central Heating' started by optimystery, 17 Apr 2019.

  1. optimystery

    optimystery

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    Hi,

    I am having a new bathroom installed and would like to save space (and avoid building a box) by using one of these: https://www.livinghouse.co.uk/acatalog/super-slim-concealed-cisterns-for-masonry-walls.html

    The WC will be wall-hung and according to the product spec, only 9cm is needed which means the cistern can fit in the wall cavity.

    I am in London and have had to do maintenance on the cistern a few times over the years, probably because of the very hard water here. Apparently access for these is done through the small push-button panel. I am wondering, for those who do this stuff professionally, is that a reliable system? Is the flush powerful enough? Do the push-buttons break?

    If the small access panel is not sufficient, how would you go about designing access for future maintenance?

    I am planning to tile the walls around the WC with 30x90cm tiles. Maybe a large removable panel would be needed?

    Many thanks!
     
  2. cdbe

    cdbe

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    IMG_20180917_163315642.jpg I fitted one, there is no point making a bigger access hatch - all you will access is the plastic front of the cistern. The only thing I found hard to reach was the stop tap (blue/brass) where you have to put your hand through the access panel and out the top. I piped it up in a continuous length of 10mm plastic pipe so I had no hidden joints in the wall.
    IMG_20180920_121729325.jpg

    It's covered with 6mm cement board glued and screwed to the wall and tiled over. IMG_5963[2970].JPG
     
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  3. jeff the gasman

    jeff the gasman

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    Nice job.
     
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  4. optimystery

    optimystery

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    Thanks, but I guess the only way to know is when there actually is a problem that needs fixing.
    Like what happens if there is a leak?
     
  5. undertrained

    undertrained

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    I wondered about that, and how would you access the syphon? :eek:
     
  6. cdbe

    cdbe

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    Everything is designed to be accessable and replaceable from the hole in the front - it takes about 30 seconds to remove the flush plate and bracket. The cistern to flush pipe connection is designed in a way that it can't leak.
     
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