Remove the casing knockout.
Remove the protective cover / seal and place over the
hole in the top make sure that the seal is positioned
properly. Tighten the assembly using the three M6 nuts.
The flue outlet spigot, which can be found in the stove in a
bag, and the holder for the upper flue diverter are
assembled with 3 M6 x 20 nuts and bolts.
The upper flue diverter, baffle plate and top plate are
assembled in reverse order.