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House Renovations
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30/08/2005, 21:28
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arthur smith

Joined on 29/08/2005
st barbant 87
Posts 90
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RE: Oil Heating, Hot water production and plumbing “funnies” in France
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as a newbie, ( fantastic, makes me feel young enough to start this adventure ) i am sorry if this has been asked before, but i've looked for several hours on the forum now for any info on woodburners/multifuel stoves with an attached boiler to run approx 6 radiators. maybe 15000-20000 btu. i am told a stainless steel boiler is best. i would want to use it to heat domestic water as well if possible. i am about to start renovating in 87, and have been told both that it's better to buy in uk and transport, and also it's better to buy locally in france. i appreciate that locally bought ones will have better support should anything go wrong, but uk ones are a "far better quality, and give no problems". any advice on sourcing, and probable costs would be gratefully received, or just help me on where to look, as this topic will have come up before. thanks
arthur
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31/08/2005, 11:44
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Leschenauds
Joined on 23/08/2004
Posts 170
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RE: Oil Heating, Hot water production and plumbing “funnies” in France
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I have just finished installing a UK type CH system and Opel Fruit's help has saved me a lot of money. Incidentally our insurance company is more than happy with the system when we explained that it would not be under mains pressure but just a 6 metre head.
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31/08/2005, 19:07
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JohnM
Joined on 23/08/2004
Savoie (73) & Wiltshire (99)
Posts 565
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RE: Oil Heating, Hot water production and plumbing “funnies” in France
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| Quote: as a newbie, ( fantastic, makes me feel young enough to start this adventure ) i am sorry if this has been asked before, but i've looked for several hours on the forum now for any info on woodburners/... |
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Just something else to add into your thought process. I intended having a wood burner with a boiler attached and was advised that the calorific value of wood is not very high, so to get the heat I needed for water and central heating, I would probably end up doing numerous journeys to the woodshed every evening. As my plan was to sit and watch the flames rather than carry wood, I have revised it so that I have gas (and solar eventually) for the CH which will turn off when the stove is heating the room.
John, TAFKA Johnfmarshall. The historic principality/kingdom of Sabaudia (73) whenever possible, Wiltshire (99)
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25/09/2005, 23:01
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Peter72
Joined on 23/08/2004
Posts 48
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RE: Oil Heating, Hot water production and plumbing “funnies” in France
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John,
If the wood is dry and decent quality, we use oak or chestnut, then there is plenty of heat available, wet wood will use up to 80% of the clorific value just to boil off the water before it starts to heat your toes.
The one thing I have found invaluable for use with a wood fired CH system is a wife who enjoys stoking the fire, on a really cold day she will get through about a barrowfull in 24 hours, but we have to wear very little cothes since it gets so hot.
A comment about the system that has an open pipe at the top, as someone said the pump is really a circulator and to be able to pump water out of the top of the pipe it will need to find water from somewhere, the harder it pumps the harder it sucks and so runs balanced. You could upset this by fitting a head tank in the wrong place and giving it extra water to pump out as you would on a badly designed UK system, this is called 'priming'.
I hope anyone fitting a sealed system and using wood (or coal) fits a safety valve somewhere, an exploding boiler is not a pretty sight. At least with a vented system if the pump fails (rcd trips in a storm!)the head tank makeup will keep some water in the boiler and stop it destroying itself, provided the pipework had been designed correctly.
Keep up the good tips.
Regards
Peter
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02/10/2005, 14:07
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Emma and David
Joined on 02/10/2005
Posts 29
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RE: Oil Heating, Hot water production and plumbing “funnies” in France
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Dear all, I have a few questions regarding hot water, my partner and I are going to be starting a B&B next year and are currently debating how to produce hot water for the rooms. We know that electricity is more expernsive but my question is would it turn out to be more cost efficient considering it can be turned off as and when we don't need it. So if we only want to heat 2 rooms and not 6 in January would it be more economical to use electric heaters and not oil ones? Any opinions Thanks
Emma and David Montaigu
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France Forum » Building and Re... » House Renovatio... » FAQ - Oil Heating, Hot water production and plumbing “funnies” in France
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