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I have created a copper use the real scheme.Some things I change as in a powder toy not all is possible.
I make this two day

In a private sector houses are warmed with the Сopper
The translator has written-boiler
Here I took the scheme http://biakkord.com.ua/articles/36.html

http://www.salon-otoplenia.ru/imgs/gallery/zagorod/kotel_baxi_big.jpg

I hard working on it