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www.ultimatehandyman.co.uk Forum Index -> Plumbing Forum
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Staf4d
Junior Member
Joined: 14 Nov 2006
Posts: 7
Location: Gloucester
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 Posted: Wed Oct 01, 2008 3:49 pm Post subject: Cold water storage tank |
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Every time I go away for a few days I turn the cold water off by the mains, when I return the cold water storage tank in the loft is completely empty.
All the hot water taps were turned off and I can not see any leaks any where and if there was a leak then there would be plenty of water about as the tank is very big!
Why does this happen and what can I do about it?
Help please
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thescruff
Senior Member
Joined: 10 Mar 2008
Posts: 4658
Location: Bath
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| Posted: Wed Oct 01, 2008 3:56 pm Post subject: |
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Very thirsty Rodents 
The obvious would be a leaking WC ballvalve if none of the taps are dripping.
Have you checked the tank doesn't supply another property as well.
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Scruff |
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Staf4d
Junior Member
Joined: 14 Nov 2006
Posts: 7
Location: Gloucester
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| Posted: Wed Oct 01, 2008 4:19 pm Post subject: |
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Thanks thescruff for your prompt reply. I have checked the wc ballvalve and it's not that, as for sharing, well I live in a semi detached and the next door have not said anything to me about not having water. But I know that they have their own supply.
Do you think that it may be leaking under the floor boards from the central heating pipes. It is not that easy for me to check as I will have to remove the laminate flooring to get underneath the floor boards, there is no obvious signs or musty smells.
This is A BIG job, but if this is the ONLY possible solution then it will have to be done. |
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thescruff
Senior Member
Joined: 10 Mar 2008
Posts: 4658
Location: Bath
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| Posted: Wed Oct 01, 2008 4:31 pm Post subject: |
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It shouldn't be the heating unless the coil as gone in the cylinder.
You will have to check all the hot and tank cold pipes and fittings.
Perhaps turning the mains off at night and measure how much it drops, will give you a better idea.
When you say it's not the ballvalve, over a few days it could build up and drip, whereas normal use it's ok.
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Scruff |
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Staf4d
Junior Member
Joined: 14 Nov 2006
Posts: 7
Location: Gloucester
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| Posted: Wed Oct 01, 2008 4:37 pm Post subject: |
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| Thanks again Scruff, I will follow your advice and monitor the water over night. |
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