The grey metal mass is an heat exchanger, to keep the setup from freezing. It acts a bit like a buffertank too. Idealy it's aluminium.
The grey metal mass is an heat exchanger, to keep the setup from freezing. It acts a bit like a buffertank too. Idealy it's aluminium.
Last edited by maddox10; 8th April 2014 at 12:58.
Bookmarks