Found this today while on the Jotul site looking up info on the Oslo.
(broken link removed to http://www.jotul.com/en-us/wwwjotulus/Main-menu/Products/Wood/Wood-stoves/Jotul-F-50-TL/)
(broken link removed to http://www.jotul.com/en-us/wwwjotulus/Main-menu/Products/Wood/Wood-stoves/Jotul-F-50-TL/)