11
c)
Chisel out the area as marked on the wall.
d)
We then recommend that a cardboard cylinder is placed around the flue pipe and
inserted in the chiselled out hole whilst making good.
NOTE: -
If the appliance is to be installed into a building under construction, it is
recommended that a non-
corrosive metal tube of 6” diameter be inserted
into the position of the hole as specified on figure 5 of the previous
page.
MARKING AND CUTTING THE FLUE TUBES.
a)
Place the firebox into the fire opening with the spacer (if required) fitted and the fire
surround correctly secured in the final position. From the outside of the house
measure from the face of the outside wall to the rear panel of the firebox through the
flue hole. This dimension is shown below as
dimension A
.
Fig. 6
b)
For the outer flue pipe, (142mm diameter) add an additional 50mm to
Dimension
“
A
” and cut the outer flue pipe squarely to length.
c)
For the inner flue pipe, (87.5mm diameter) add an additional 127mm to
the length of the
outer flue tube
and cut the inner flue pipe squarely to length.
IMPORTANT: DO NOT CUT FLANGED ENDS OF FLUE PIPE & ENSURE THE PIPES
ARE CUT SQUARELY.
Flue Terminal
Seal area as indicated with mortar
or sealing compound
Inner Cavity
Wall
Outer Cavity Wall
Dimension “A
”
Wall
Thickness“T”
Inner
Flue Pipe
Outer
Flue Pipe
