The third copper with the copper heat exchanger.
Effect of work impressive.
history of creation and previous models here:
Copper from copper improvement of a design the second model - https://www.youtube.com/watch? v=KQMtoQh2xmY
Copper from copper the first model - https://www.youtube.com/watch? v=WkpbUn-0vPw
The third copper of a detail of production of the case - https://www.youtube.com/watch? v=YpEIZorw07U
After carrying out comprehensive tests I will report by results.
The idea of creation of the effective unit has captured me, it is model not the last, there are already new ideas.
My website: http://www.teplowoda.ru
Group on Facebook: https://www.facebook.com/groups/Teplowoda/