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Fig. 6
2.4
PREPARATION OF THE FLUE HOLE
a)
Mark the position of the centre of the flue on the inner wall.
b)
Cut hole for outer flue pipe. There are two possible methods to achieve
this, either core drill or via hammer and chisel.
c)
To core drill, proceed as follows :-
Drill a pilot hole through the wall, in position as specified in figure 5.
Using a 6" core drill, drill the flue hole.
To Hammer and chisel, proceed as follows :-
Mark the position of the centre of the flue pipe as specified in figure 5.
Mark the position of the hole around this point.
Chisel out the area as marked on the wall.
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 construc-
tion, it is recommended that a non-corrosive metal tube of 6" diameter be
inserted into the position of the hole as specified on page 5.
455mm
9
152mm Diameter
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