Proper Job

A recent install of a Dru 44 with a twin wall Stainless Steel Flue to replace a Stanley that had been installed with a single skin flue. Single skin flue all the way up (and outside) is not only against every rule in the book, but will also cause the stove to perform inefficiently due to poor flue draw.  This is caused when the flue gases travel up the flue and are cooled down too quickly, stopping the thermal up drafts of the flue gases and producing high levels of condensation which is highly