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 Post subject: Mains water temperature
PostPosted: Fri Aug 21, 2015 9:35 pm 
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Location: Here and there, SW France
Does anyone know if there is a legal limit to the top (highest) temperature at which mains domestic drinking water is delivered to a domestic supply in France?
If 'yes' can you quote the relevant legislation/rule?

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 Post subject: Re: Mains water temperature
PostPosted: Fri Aug 21, 2015 10:47 pm 
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Location: Was Plouasne 22830, now Ploeuc sur Lie 22150, France
Liz,

As far as I know, there is no legal upper limit on the temperature of water delivered to a dwelling, the recognised norm is in the region of 10°c, the now EU wide EU Norm is NF EU 806-1, but at 145.00€ for the French english or french language publication, is a No-No for me to get, the UK BS EU 806-1 is even more expensive at £185.00

You might be able to use a sub clause concerning pollution, the warmer the water the more the bugs can grow, (to some extent, around 70°c most are killed), but have a trawl through these links, if nothing else it should cure you of insomnia

http://media.xpair.com/auxidev/nS03a_DTUs.pdf
http://media.xpair.com/auxidev/nR70a.pdf
http://www.boutique.afnor.org/norme/nf- ... 5/fa026546
http://www.jmb51.net/DT_2011/16-PLOMBER ... itaire.PDF

Care to elaborate on the problem ?

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 Post subject: Re: Mains water temperature
PostPosted: Sat Aug 22, 2015 11:10 am 
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Location: Ardeche
Surely water from an underground main will have its temperature determined by the (under)ground temperature - which below a depth of 60cm will be around 9-10 degrees in the North of France and probably up to 13 degrees in the South.

If your cold water is hotter than that it suggests that the mains are not deep enough and you could lose your supply in winter - ask me how I know that!!

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 Post subject: Re: Mains water temperature
PostPosted: Sun Aug 23, 2015 6:48 am 
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Location: Here and there, SW France
Thank you both.
We live in the middle of a village, the main supplying us runs down the main road. Our meter, with 2 others, is inconveniently situated in a manhole in the pavement round the corner from us.
The mains water has always been unpleasant to drink during warm spells, we draw off water & put it in the fridge for Fixit's Ricard etc.
This year we have had major works in the village to replace all the mains. Total chaos for several months & insufferable dust for anyone near by.
We & the neighbours are all sure that the mains are too close to the surface, and we all think (but can't prove it cos who wrote it down at the time?) that the tap water is warmer than it was in even the 2003 canicule.
We didn't lose supply in the last cold winter, only those in exposed areas outside the village had problems with that.
We are monitoring the problem but doubt that anything would ever change if anything was said. Too many agencies involved as usual in France, & nobody cares about us few poor bu**ers who actually live in the middle of a supposedly historic village - not ONE of our elected councillors does!
Apparently resurfacing the road isn't a main priority - so anyone walking to the bakery, pharmacy, school has to be alert to avoid a soaking from vehicle puddle splash.

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 Post subject: Re: Mains water temperature
PostPosted: Sun Aug 23, 2015 9:13 am 
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Location: Was Plouasne 22830, now Ploeuc sur Lie 22150, France
Liz,

Try these links, something just clicked in my head, I had posted these links a long time ago in the forum, and had forgotten about them, until now

http://www.sante.gouv.fr/qualite-de-l-eau-potable

http://www.sante.gouv.fr/dossiers/sante/eau/eau-potable/eau-potable.html

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 Post subject: Re: Mains water temperature
PostPosted: Sun Aug 23, 2015 9:34 am 
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Location: Here and there, SW France
Thanks for those Peake

Temperature doesn't seem to be an issue which they control

Ho hum, maybe time to buy an ice maker? :-? If so, need to put it somewhere other than in the kitchen, they do chuck out a lot of heat (which surprises some folk :| )

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