This recent thread also maybe a useful read as well…
There is also a thread on Whirlpool which may also be of use…
https://forums.whirlpool.net.au/archive/2631456
One of the posters on Whirlpool notes that some of the cheaper Scandia fireboxes/chambers are made with relatively light weight materials (5-5.5mm thickness). I wonder if they are more for show, for light use rather than efficient heating functionality.
