Strange cistern fill
 

Normally when the toilet is flushed it would re-fill in say a half
minute and you could hear the cistern filling, now its like it fills in
short bursts almost like a tap is being turned and then off, it does
this about 7 times until the valve cuts it off when filled.

Any ideas what would cause this, its just recently started doing this.
No other water is being used at the same time ie dishwasher or washing
machine.

Strange cistern fill
 

On Tuesday, 2 March 2021 at 19:13:35 UTC, ss wrote:
Normally when the toilet is flushed it would re-fill in say a half
minute and you could hear the cistern filling, now its like it fills in
short bursts almost like a tap is being turned and then off, it does
this about 7 times until the valve cuts it off when filled.

Any ideas what would cause this, its just recently started doing this.
No other water is being used at the same time ie dishwasher or washing
machine.
Sounds like the fill is causing a wave motion in the cistern which in turn oscillates the ball cock up and down hence the short bursts of on/off fill. When this happened to me it turned out the ball cock had twisted out of vertical. Unless you can see a more obvious fault I would try to reduce the flow through the ball cock.

Richard

Strange cistern fill
 

On 02/03/2021 19:13, ss wrote:
Normally when the toilet is flushed it would re-fill in say a half
minute and you could hear the cistern filling,Â* now its like it fills in
short bursts almost like a tap is being turned and then off,Â* it does
this about 7 times until the valve cuts it off when filled.

Any ideas what would cause this, its just recently started doing this.
No other water is being used at the same time ie dishwasher or washing
machine.
the anti noise filler tube blocking????

Strange cistern fill
 

On 02/03/2021 19:24, Tricky Dicky wrote:
On Tuesday, 2 March 2021 at 19:13:35 UTC, ss wrote:
Normally when the toilet is flushed it would re-fill in say a half
minute and you could hear the cistern filling, now its like it fills in
short bursts almost like a tap is being turned and then off, it does
this about 7 times until the valve cuts it off when filled.

Any ideas what would cause this, its just recently started doing this.
No other water is being used at the same time ie dishwasher or washing
machine.
Sounds like the fill is causing a wave motion in the cistern which in turn oscillates the ball cock up and down hence the short bursts of on/off fill. When this happened to me it turned out the ball cock had twisted out of vertical. Unless you can see a more obvious fault I would try to reduce the flow through the ball cock.

Richard


Agreed on the cause - but why now? Changed water pressure? If you can,
turn off the water supply, flush and feel if slowly lifting and lowering
the ballcock feels crunchy and if the high-point feels other than firm.
Could just need a clean-up of the valve and arm pivot pin and/or new
or flipped-over washer.

PA

Strange cistern fill
 

On 02/03/2021 19:54, Peter Able wrote:


Agreed on the cause - but why now?Â* Changed water pressure? If you can,
turn off the water supply, flush and feel if slowly lifting and lowering
the ballcock feels crunchy and if the high-point feels other than firm.
Â*Could just need a clean-up of the valve and arm pivot pin and/or new
or flipped-over washer.

Nothing has changed as far as I know, it just started doing it.
I will dig in to it tomorrow and check it out.

Strange cistern fill
 

On 02/03/2021 19:50, Jimmy Stewart ... wrote:
Any ideas what would cause this, its just recently started doing this.
No other water is being used at the same time ie dishwasher or washing
machine.
the anti noise filler tube blocking????

I will have a look tomorrow.

Strange cistern fill
 

On 02/03/2021 21:34, ss wrote:
On 02/03/2021 19:50, Jimmy Stewart ... wrote:
Any ideas what would cause this, its just recently started doing this.
No other water is being used at the same time ie dishwasher or
washing machine.
the anti noise filler tube blocking????

I will have a look tomorrow.


Video clip of flush.

https://youtu.be/zUVVXrJjsP8

Strange cistern fill
 

Limescale in the valve getting in the way then moving when the pressure
builds?
Brian

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"ss" wrote in message
...
Normally when the toilet is flushed it would re-fill in say a half minute
and you could hear the cistern filling, now its like it fills in short
bursts almost like a tap is being turned and then off, it does this about
7 times until the valve cuts it off when filled.

Any ideas what would cause this, its just recently started doing this.
No other water is being used at the same time ie dishwasher or washing
machine.

Strange cistern fill
 

Perhaps his ball has a leak as well though usually if you leave these
eventually you get an overflow.
Brian

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"Tricky Dicky" wrote in message
...
On Tuesday, 2 March 2021 at 19:13:35 UTC, ss wrote:
Normally when the toilet is flushed it would re-fill in say a half
minute and you could hear the cistern filling, now its like it fills in
short bursts almost like a tap is being turned and then off, it does
this about 7 times until the valve cuts it off when filled.

Any ideas what would cause this, its just recently started doing this.
No other water is being used at the same time ie dishwasher or washing
machine.
Sounds like the fill is causing a wave motion in the cistern which in turn
oscillates the ball cock up and down hence the short bursts of on/off fill.
When this happened to me it turned out the ball cock had twisted out of
vertical. Unless you can see a more obvious fault I would try to reduce the
flow through the ball cock.

Richard

Strange cistern fill
 

Brian Gaff (Sofa) wrote

Limescale in the valve getting in the way then moving when the pressure
builds?

Yeah, looks like it and the video doesn’t show any
evidence of significant waves in the water level in
the cistern as its filling. Or anything else physically
moving much.

"ss" wrote in message
...
Normally when the toilet is flushed it would re-fill in say a half minute
and you could hear the cistern filling, now its like it fills in short
bursts almost like a tap is being turned and then off, it does this
about 7 times until the valve cuts it off when filled.

Any ideas what would cause this, its just recently started doing this.
No other water is being used at the same time ie dishwasher or washing
machine.

Strange cistern fill
 

Brian Gaff (Sofa) wrote

Perhaps his ball has a leak as well

That wouldn’t produce that weird oscillating fill effect.

though usually if you leave these eventually you get an overflow.


"Tricky Dicky" wrote in message
...
On Tuesday, 2 March 2021 at 19:13:35 UTC, ss wrote:
Normally when the toilet is flushed it would re-fill in say a half
minute and you could hear the cistern filling, now its like it fills in
short bursts almost like a tap is being turned and then off, it does
this about 7 times until the valve cuts it off when filled.

Any ideas what would cause this, its just recently started doing this.
No other water is being used at the same time ie dishwasher or washing
machine.
Sounds like the fill is causing a wave motion in the cistern which in turn
oscillates the ball cock up and down hence the short bursts of on/off
fill. When this happened to me it turned out the ball cock had twisted out
of vertical. Unless you can see a more obvious fault I would try to reduce
the flow through the ball cock.

Richard

More Heavy Trolling by Senile Nym-Shifting Rodent Speed!
 

On Thu, 4 Mar 2021 05:59:26 +1100, cantankerous trolling geezer Rodent
Speed, the auto-contradicting senile sociopath, blabbered, again:

FLUSH troll**** unread

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cretin's pathological trolling:
https://www.pcreview.co.uk/threads/r...d-faq.2973853/

Strange cistern fill
 

On 03/03/2021 18:59, Rod Speed wrote:
Limescale in the valve getting in the way then moving when the
pressure builds?

Yeah, looks like it and the video doesn’t show any
evidence of significant waves in the water level in
the cistern as its filling. Or anything else physically
moving much.

Had a fumble around all the parts but didnt take anything apart.
Wiped the part where the water discharges in to the pan as best I could
and this appears to have solved the issue.

Strange cistern fill
 

"ss" wrote in message
...
On 03/03/2021 18:59, Rod Speed wrote:
Limescale in the valve getting in the way then moving when the pressure
builds?

Yeah, looks like it and the video doesn’t show any
evidence of significant waves in the water level in
the cistern as its filling. Or anything else physically
moving much.

Had a fumble around all the parts but didnt take anything apart.
Wiped the part where the water discharges in to the pan as best I could
and this appears to have solved the issue.

Interesting, thanks for the washup, too uncommon imo.