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We have a concealed cistern which won't refill until you give the wall a hit and then keeps filling until it overflows which is fixed by another thump to the wall. Any sugestions. This is a new unit. Greg

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6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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olddewsons
  • 38 Answers

SOURCE: Villeroy Boch subway toilet cistern filling up to much

On this model am not sure if it come apart. But if you have a air compressure try and blow though it. when you have it off toilet. sounds like its dirt caught in it.
hope this helped. :)

Posted on Jul 07, 2009

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  • 1 Answer

SOURCE: Modern toilet cisterns without overflowprovision

Most modern flush units have built in overflow protection, if the water level rises above the flush device then water runs into the toilet itself rather than out of the overflow pipe to the outside as in older toilets.

You could always check by taking the top off the cistern and push down the float device with your finger to see what happens!

hope this helps

Posted on Jul 28, 2009

Obertelli
  • 3006 Answers

SOURCE: water overflow from cistern to bowl

The shut off valve depends upon where your plumber fitted it and whether one was installed at all. If there's not one near the cistern then you'll need to find the stop valve which is on either the main household cold water tank outlet or if the cistern is filled directly by mains water then you'll need to turn off the main supply valve or even the valve in the street.

The fault is caused by a failed syphon assembly inside the cistern. Although it's possible to remove the faulty part and replace it the sheer number of different syphon assembly designs and the age of many of them usually mean that it's quicker and simpler to replace the entire assembly. Without knowing exactly which make and model of syphon you have it's impossible to give you any more specific details as the operating methods vary so widely, but if you're mechanically minded then you may well find that you can dismantle the old syphon and locate the failed seal. Sometimes all you need to repair them is an old car tyre inner tube and a pair of scissors. A repair often costs pennies and takes hours, a complete replacement syphon assembly often costs between £13 and £60 depending on the model and design (plus labour) but usually takes no more than around fifteen to twenty minutes to replace if the cistern is close-coupled to the toilet and a bit longer if it's an old-fashioned high level cistern with restricted access.

Given the need for guesswork based on the limited details in your question I hope that you appreciate my reply and ask only that you return the favour by rating my answer.

Posted on Oct 01, 2009

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peterrance19
  • 399 Answers

SOURCE: after cistern refill outflow into toilet bowl

hi i would suggest your ball valve in the cistern needs ajusting remove the top of the cistern you will see the ajustment screw at the end fo the ball **** arm hope this helps

Posted on Nov 15, 2009

  • 150 Answers

SOURCE: even after filling up, water from the cistern keep...

That is the cistern overflow running.You need to adjust the fill level in the cistern by adjusting the plastic screw on the ballfloat or adjust the height of the float if its the silent fill tpe

Posted on May 22, 2010

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I have a leak coming through my ceiling from the ensuite toilet above. It is an ideal standard wall hung with concealed cistern behind tiles. There is no obvious access panel. The tiled wall is flush.


The flush control panel normally comes off. You can then hopefully see inside. You won't be able to see much though as the cistern will be in the way...

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replace the whole control unit
There may be 2 problems
the small washer that shuts off the water flow when the level is reached may be swollen and not sealing properly
the section at the bottom has cracked at a thread level
so by replacing the unit you will eliminate both problems
to remove the unit, turn off the water tap, flush the system, holding the button down until all of the water has gone
remove the inlet pipe at the bottom of the cistern
undo the retaining nut under the cistern and lift the control unit out
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Even after filling up, water from the cistern keep...


That is the cistern overflow running.You need to adjust the fill level in the cistern by adjusting the plastic screw on the ballfloat or adjust the height of the float if its the silent fill tpe

May 20, 2010 | Home

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