Osburn
Matrix
Inbuilt
Installation
and
Operation
Manual
______________________________________________________________________________
39
9.5
MINIMUM
FLUE
SYSTEM
HEIGHT
Flue
heights
and
lengths
from
AS/NZS
2918:2001
The
top
of
the
flue
system
should
be
tall
enough
to
be
above
the
air
turbulence
caused
when
wind
blows
against
the
house
and
its
roof.
The
flue
exit
shall
be
located
outside
the
building
in
which
the
appliance
is
installed
so
that:
a)
The
flue
shall
extend
not
less
than
4.6
m
above
the
top
of
the
floor
protector;
b)
The
minimum
height
of
the
flue
system
within
3
m
distance
from
the
highest
point
of
the
roof
shall
be
600
mm
above
that
point;
c)
The
minimum
height
of
the
flue
system
further
than
3
m
from
the
highest
point
of
the
roof
shall
be
1000
mm
above
roof
penetration;
d)
No
part
of
any
building
lies
in
or
above
a
circular
area
described
by
a
horizontal
radius
of
3
m
about
the
flue
system
exit.
