Water Header tank over flowing problem - HotUKDeals
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Water Header tank over flowing problem

joxeruk2000 Avatar
7y, 9m agoPosted 7 years, 9 months ago
The problem is with header tank in the loft.
The hot water keeps topping up the tank and is overflowing through the over flow pipe all over the garden.
Can anyone tell me what the problem could be and how fix it?
joxeruk2000 Avatar
7y, 9m agoPosted 7 years, 9 months ago
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Comments/page:
#1
If you can bend the ballcock a little it might help. We've had the same problem, bending the ballcock didn't work so we need a new valve fitted.
#2
Dirt in valve likely.
#3
Lift the ball manually and see if it stops flowing. If it does, try bending the arm down towards the water surface - that should stop the flow - if not dirt in valve - shut off water at main stop cock, dismantle valve, clean/reassemble or replace.
#4
Its not the ballcock at fault thats shut off and its submerged by all the water coming in through the expansion pipe
#5
It'll be the valve
#6
we are havign exactly the same problem as you.

We have had the ball valve replaced via a qualified plumber, but its still the same.

If someone takes a bath or I do the washing, the water comes gushing out of the overflow outlet...
Plus..... the cold water tank in the attic is warm/ hot..... :(
#7
It's coming in the expansion pipe? That's only for when the system gets really hot and the water expands - should only be a small amount of water! I suspect a major problem with the boiler/pump and I'd shut down the heating till you get to the bottom of the problem. Unless you know what you're doing it's a job for a heating engineer
#8
Lynwen
we are havign exactly the same problem as you.

We have had the ball valve replaced via a qualified plumber, but its still the same.

If someone takes a bath or I do the washing, the water comes gushing out of the overflow outlet...
Plus..... the cold water tank in the attic is warm/ hot..... :(


Same sort of problem - corgi installer will advise/repair - there's one on this website - see previous post re hob/cooker/oven connection - do a search
#9
Hi I take it the header tank is for your central heating when your central heating warms up the water in the central heating system expands if your header tank is to full it will overflow but not all the time check your pump speed . The other is more serious your hot water tank which has a coil inside it may have split this will make your header tank over flow you will need a new tank . also the central heating water and hot water will mix . I am only guessing this could be the problem you will need to get this checked by an expert .
Hope this is of some hepl
#10
Looking at what could be causing the problem i'm inclined to believe it may be a sludge build up in the cylinder and radiators.
my rads, indirect cylinder and header tank have all been replaced in recent years, but i know they didn't get a full flush out as i replaced the rads over a period of time not all together
#11
oxter
Same sort of problem - corgi installer will advise/repair - there's one on this website - see previous post re hob/cooker/oven connection - do a search


There you go :
http://www.hotukdeals.com/forums/showthread.php?t=334314

PM the corgi guy
#12
I had the same problem. In my case the water in the F&E tank was so hot the loft was full of steam. My heating engineer diagnosed a blockage in the pipework between the boiler and the 3 way valve and replaced the pipe work. That fixed it, he tried a chemical cleaner first but that didn't work. Another possibility as mentioned by maurice is a leakage in the coil in your cylinder.
#13
have you tried ensuring that the pump for your central heating/ thermostat at hot tank is switched on... if it aint then naturally the hot water has to go elsewhere
#14
my small tank ballcock hits off a piece of pipe that's in tank, there is water in it and it fills up till it hits the pipe is this normal?
#16
I had similar, it was the coil in the hot water cyclinder in the airing cupboard had a pin hole caused by limescale and the water pressure was forcing water up into the loft.

If you can live with it for a few weeks i'd suggest taking out british gas homecare and then giving them a call in a month or so, alternative is to raise the hot water header tank so it is above the water level in your cold water tank. but the problem will only get worse.
1 Like #17
RAFAVDV
I had similar, it was the coil in the hot water cyclinder in the airing cupboard had a pin hole caused by limescale and the water pressure was forcing water up into the loft.
If you can live with it for a few weeks i'd suggest taking out british gas homecare and then giving them a call in a month or so, alternative is to raise the hot water header tank so it is above the water level in your cold water tank. but the problem will only get worse.
I certainly don't suggest you live with this for a couple of weeks unless of course you like bathing in diluted central heating inhibitor and possibly other chemicals that could have been added over the years.
#18
Broxy
RAFAVDV
I had similar, it was the coil in the hot water cyclinder in the airing cupboard had a pin hole caused by limescale and the water pressure was forcing water up into the loft.
If you can live with it for a few weeks i'd suggest taking out british gas homecare and then giving them a call in a month or so, alternative is to raise the hot water header tank so it is above the water level in your cold water tank. but the problem will only get worse.
I certainly don't suggest you live with this for a couple of weeks unless of course you like bathing in diluted central heating inhibitor and possibly other chemicals that could have been added over the years.
Do you bathe in the garden then? :|
1 Like #19
Broxy
RAFAVDV
I had similar, it was the coil in the hot water cyclinder in the airing cupboard had a pin hole caused by limescale and the water pressure was forcing water up into the loft.
If you can live with it for a few weeks i'd suggest taking out british gas homecare and then giving them a call in a month or so, alternative is to raise the hot water header tank so it is above the water level in your cold water tank. but the problem will only get worse.
I certainly don't suggest you live with this for a couple of weeks unless of course you like bathing in diluted central heating inhibitor and possibly other chemicals that could have been added over the years.

Or brushing your teeth with.. Lovely

Anyway, why isnt this in ask?
1 Like #20
YouDontWantToKnow
Broxy
RAFAVDV
I had similar, it was the coil in the hot water cyclinder in the airing cupboard had a pin hole caused by limescale and the water pressure was forcing water up into the loft.
If you can live with it for a few weeks i'd suggest taking out british gas homecare and then giving them a call in a month or so, alternative is to raise the hot water header tank so it is above the water level in your cold water tank. but the problem will only get worse.
I certainly don't suggest you live with this for a couple of weeks unless of course you like bathing in diluted central heating inhibitor and possibly other chemicals that could have been added over the years.
Or brushing your teeth with.. Lovely
Anyway, why isnt this in ask?
I think because the original question was asked 7 years ago and somebody added to it yesterday lol
1 Like #21
God this is a blast from the past. If you want to know the happy outcome. 7 years of waiting. Cost about £15 for new ballcock and small tank. Way back then. Think the actual ballcock was filling up with water.
Not lived there in 7 years so I can't tell you how it's holding up. I imagine it's been took out in favour of a better heating system.
#22
joxeruk2000
God this is a blast from the past. If you want to know the happy outcome. 7 years of waiting. Cost about £15 for new ballcock and small tank. Way back then. Think the actual ballcock was filling up with water.
Not lived there in 7 years so I can't tell you how it's holding up. I imagine it's been took out in favour of a better heating system.

When it popped up yesterday I was going to advise you of that but then I thought WTF!

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