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Toilet cistern/pan jojoint sealing.
grizzly1911
Posts: 9,965 Forumite
MIL has a close coupled cistern/toilet.
This has recently been removed and replaced after a refurbishment.
It has always leaked very slightly. When they were removed the threaded bars and nuts bolting them together were very rusted, with rust stains on the pan under the cistern.
When reinstalled the threaded bars and nuts were replaced with stainless steel ones, along with new washers.
Now it has been in use for a little while it is starting to weep again from the same spot. It the nuts have been "tweaked" but it is still weeping.
Any ideas on how this could be cured?
Please don't say plumbers mate.
This has recently been removed and replaced after a refurbishment.
It has always leaked very slightly. When they were removed the threaded bars and nuts bolting them together were very rusted, with rust stains on the pan under the cistern.
When reinstalled the threaded bars and nuts were replaced with stainless steel ones, along with new washers.
Now it has been in use for a little while it is starting to weep again from the same spot. It the nuts have been "tweaked" but it is still weeping.
Any ideas on how this could be cured?
Please don't say plumbers mate.
"If you act like an illiterate man, your learning will never stop... Being uneducated, you have no fear of the future.".....
"big business is parasitic, like a mosquito, whereas I prefer the lighter touch, like that of a butterfly. "A butterfly can suck honey from the flower without damaging it," "Arunachalam Muruganantham
"big business is parasitic, like a mosquito, whereas I prefer the lighter touch, like that of a butterfly. "A butterfly can suck honey from the flower without damaging it," "Arunachalam Muruganantham
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Comments
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did you replace the large "doughnut" washer when you put the cistern back on ? does it leak all the time or only when it's flushed ? do the bolts go "through" holes in the cistern or attach to a bracket underneath between the cistern & pan ?I'm only here while I wait for Corrie to start.
You get no BS from me & if I think you are wrong I WILL tell you.0 -
keithgillyon wrote: »did you replace the large "doughnut" washer when you put the cistern back on ? does it leak all the time or only when it's flushed ? do the bolts go "through" holes in the cistern or attach to a bracket underneath between the cistern & pan ?
Doughnut was replaced.
It is a slow leak all the time.
They go right through no bracket."If you act like an illiterate man, your learning will never stop... Being uneducated, you have no fear of the future.".....
"big business is parasitic, like a mosquito, whereas I prefer the lighter touch, like that of a butterfly. "A butterfly can suck honey from the flower without damaging it," "Arunachalam Muruganantham0 -
grizzly1911 wrote: »Doughnut was replaced.
It is a slow leak all the time.
They go right through no bracket.
then i would say it's one of two things, the rubber seal on the inside of the cistern on the syphon (or the nut on the syphon isn't tight enough), or the bolts should have a metal washer then a rubber washer on the inside of the cistern these bolts are then fixed with a nut inbetween the cistern & the pan, if you havent tightened these bolts with a nut & have just put a nut underneath to hold the cistern to the pan then this is a good place to start, whichever it is you will need to take the cistern back off & fit a new doughnut washer when you put it back onI'm only here while I wait for Corrie to start.
You get no BS from me & if I think you are wrong I WILL tell you.0 -
Plumbersmate, there, I've said it.
But seriously considering that it leaked before and it still leaks after replacing all the seals, you must consider if it is actually in correct alignment. IE, is the pan fitted too close or too far off the wall meaning that the bottom face of the cistern and the top face of the pan are not parallel enough with each other for the seals to work.:beer:I like the thanks button, but ,please, an I agree button.
Will the grammar and spelling police respect I do make grammatical errors, and have carp spelling, no need to remind me.;)
Always expect the unexpected:eek:and then you won't be dissapointed0 -
keithgillyon wrote: »then i would say it's one of two things, the rubber seal on the inside of the cistern on the syphon (or the nut on the syphon isn't tight enough), or the bolts should have a metal washer then a rubber washer on the inside of the cistern these bolts are then fixed with a nut inbetween the cistern & the pan, if you havent tightened these bolts with a nut & have just put a nut underneath to hold the cistern to the pan then this is a good place to start, whichever it is you will need to take the cistern back off & fit a new doughnut washer when you put it back on
They toilet in question is a little way away soi haven't been back yet.
In readiness I have brought a doughnut and "close coupled cistern bolt set".
This includes the rubber/metal washers you describe, including rubber"cone" washers for inside the cistern.
Just searched on ebay and saw this which also includes fibre washers (possibly as an after thought as they are not shown in line).
http://www.ebay.co.uk/itm/Toilet-Cistern-To-Toilet-Pan-Fixing-Fitting-Sealing-Kit-Close-Coupling-Bolts-WC-/160828606537?pt=UK_DIY_Materials_Plumbing_MJ&hash=item257221c849
Are fibre washers needed too?
If they are where should they be placed in the sequence?
Outside the bottom of cistern, between the cistern and metal washer?"If you act like an illiterate man, your learning will never stop... Being uneducated, you have no fear of the future.".....
"big business is parasitic, like a mosquito, whereas I prefer the lighter touch, like that of a butterfly. "A butterfly can suck honey from the flower without damaging it," "Arunachalam Muruganantham0 -
no you don't need the fibre washers, look at that pic on ebay that is exactly how they fit, so from the head of the bolt in order, metal washer, coned rubber washer, (inside the cistern), (underneath cistern), metal washer, nut, (under the pan) metal washer, wing nut.
also check the nut is tight enough on the syphon (but don't tighten it tooooo much).I'm only here while I wait for Corrie to start.
You get no BS from me & if I think you are wrong I WILL tell you.0 -
Thanks Keith."If you act like an illiterate man, your learning will never stop... Being uneducated, you have no fear of the future.".....
"big business is parasitic, like a mosquito, whereas I prefer the lighter touch, like that of a butterfly. "A butterfly can suck honey from the flower without damaging it," "Arunachalam Muruganantham0 -
Remove the cistern from the pan and place on a work surface with a sheet of newspaper underneath - half fill with water and then you can identify the exact position of the leak.
I had the exact same problem very recently - carried out the above procedure (after the usual tightening/ sealing) and found the leak - which was a fault in the cistern ceramic.
NB If you don't find a leak then it must be in the cistern/pan coupling.0
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