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cistern

A cistern (Middle English cisterne, from Latin cisterna, from cista, "box", from Greek κίστη kistē, "basket") is a waterproof receptacle for holding liquids, usually water. Cisterns are often built to catch and store rainwater. Cisterns are distinguished from wells by their waterproof linings. Modern cisterns range in capacity from a few litres to thousands of cubic metres, effectively forming covered reservoirs.

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  1. J

    Can't connect cistern inlet connector because of inlet filter

    Hi. I think the title says it all really. I was just lining up pipework and stuff and noticed that the Speedfit 15mm X 1/2 BSP tap connector won't connect to the cistern inlet because the inlet filter protrudes out too far to allow the rubber washer on the connector to sit against the outer...
  2. F

    Foghorn/Splutering from cistern! Video attached

    Hi all, Had a toilet installed recently which is now making the attached sound. (No chance of him coming back to sort it...) Anyone know what's causing it? Issue coming from whatever that piece is on the right hand side (please let me know). Cheers
  3. G

    Cistern fill valve - very low pressure

    Hello, does anyone know of a side fill valve that works in very low pressure situations? I installed two separate new side fill valves on my concealed cistern today, a Fluidmaster and a Dudley, both didn't seal properly. From reading reviews and forums it looks like it's due to the very low...
  4. G

    How to put the cistern against the wall

    The toilets both have a piece of wood between the cistern and the wall.I cannot find an outlet pipe which will let me push the cistern against the wall. Do I have to get a different toilet to achieve this.
  5. M

    Mass of gunge in cold water storage cistern.

    Hi all. Hope you are enjoying the sunshine and hope no one is working in lofts at mo. Anyone seen this gunk before in a cold water storage cistern?
  6. A

    Cistern leaking water to seat area when I flush

    Hi Guys, I have a toilet where when you flush, the water from the cistern leaks out from a section of the cistern at the bottom where the seat area begins at the top just before the bowl. Was wondering how this could be happening or how it could be fixed?
  7. M

    Cistern not filling?

    Hi new to the plumbing industry, can anyone advise me on why the cistern is not filling with water but can hear the sound of water running? Would it be the side filling valve and maybe replace for a newer one? Also should the symphony i am holding have a washer at the bottom as this doesn’t...
  8. philw67

    Leaking toilet cistern

    Hi all, further to my replacement of a cictern syphon, I have a small leak I can not seem to sort out. I have tightened the plastic nut as tight as I dare as I expect it is close to snapping. What can I do to stop the leak please as my wife is now seriously not impressed with me replacing a damp...
  9. philw67

    Replace cistern mechanism

    Hi, we moved into a new house a while back and the main toilet has a large cistern and no dual flush capability. It gets used most of the time rather than the single ensuite we have so I was wondering if someone can recommend a kit to replace the lever with a two button arrangement or other...
  10. S

    Cistern problem/Meter readings

    Hi, I am just about to move into a new build property. I took the water meter readings and they read 000000,620 I had a look around the property like you do and used the toilet. When I flushed it the water kept trickling into the toilet and not into the cistern. The cistern is built...
  11. S

    Geberit enclosed cistern

    I have an older Geberit, installed in 2009 (see photo). All the videos that I can find are about much newer models. No matter where I set the fill level, it over fills and pours down the overflow into the bowl, causing the filling to continue forever. The filling mechanism is quite recent, but...
  12. S

    Custom Flush Pipe High Level Cistern

    Hello, I’m trying to replace an antique high level cistern with a more modern ceramic one. The flush pipe is routed in a very specific way so the new one will probably need to be bespoke. Does anyone have any experience, or at least seen, bespoke flush pipes? I was hoping they could be made...
  13. N

    Overfilling cistern - floating mechanism not halting inlet

    Hi everyone, First time poster, go easy on me! My toilet cistern seems to be overfilling. It's a narrow plastic cistern (not important I imagine) and thankfully the overflow pipe is doing its job. The floating mechanism is working in that it's moving up and down, though it has a lot of...
  14. I

    How to remove a glued cistern

    Morning everyone. We have a leak from one of cistern holding down bolts on our close coupled WC. This has occurred after a plumber replaced the flush valve yesterday. The problem is now that the plumber says he can't get the cistern off to replace the bolts because it is glued ( probably...
  15. Kerberos

    How high should a concealed cistern be?

    Hello, Getting some work done in my downstairs WC and my installer and given me a list of products to buy with some recommendations. We are replacing the exposed cistern toilet with a hidden one. It will be a back to wall, floor standing pan with a shelf above it to put stuff on. I've been...
  16. T

    Toilet issues, cistern not filling up

    Hi all, just a side note to start, I am not a plumber and have pretty much zero knowledge about plumbing. I have three toilets in my house, a downstairs one, big bathroom one and an en-suite one. There was a rattling noise coming from the downstairs toilet whenever the chain had been flushed...
  17. P

    Capping off and replacing an outlet for cold water cistern in loft

    Hi folks Following on from another thread I made recently, the plumber has agreed that the new cold feed he added to our loft cistern should have been lower than the existing feed to the cylinder for hot (he put them both roughly the same at 50mm) and he is proposing to put it right. In terms...
  18. A

    Cavity wall or ceiling cistern?

    I'm planning a wetroom in a very small space 1m x 2m (see attached). I want to maximise the space by having a cistern entirely in the stud wall including the waste . Two questions really 1. Is there a cavity wall cistern that fits completely inside a100mm cavity? 2. Is there such a thing as a...
  19. W

    Geberit slim cistern fill valve

    To get the latest geberit fill valve in to a slim cistern - disassemble and remove the part with "ears" that makes it too fat for the cistern width - then reassemble. Use the clip from the old fill valve to reattach.
  20. mudson

    Finding a new cistern to fit my close coupled toilet

    Hi - I have an old (maybe 45 year old) Twyfords Close Coupled toilet. The cistern has cracked, and I'd like to replace just the cistern. I'm struggling to find anything described as a close coupled cistern which doesn't have the bolt holes. I was hoping to find one with no bolt holes and just...
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