3
T=flue terminal
I =Mechanical air inlet
M=Gas meter
P = Electricity meter or
fuse box
Shading indicates
prohibited
areas for flue terminals
a
Below eaves, balconies or other projections:
Appliances up to 50 MJ/h input
Appliances over 50 MJ/hinput
From the ground or above a balcony
From a return wall or external corner
From a gas meter (M)
From an electricit y meter or fuse box (P)
From a drain or soil pipe
Horizontally from any building structure (unless appliance approved for closer
installation) or obstruction facing a terminal
From any other flue terminal, cowl, or combustion air intake
Horizontally from an openable window, door, non-mechanical air
inlet, or any other opening into a building, with the exception of
sub-floor ventilation:
Appliances up to 150 MJ/hinput
Appliances over 150 MJ/h input
From a mechanical air inlet, including a spa blower
MIN. CLEARANCE
(mm)
300
500
300
500
1000
500
150
g
500
500
h
j
500
150
150
k
n
Vertically below an openable window, non-mechanical air inlet
or any other opening into a building, with the exception of
sub-floor ventilation
See table below
NOTES:
I. All distances are measured vertically or horizontally along the wall to a point
in line with the nearest part of the terminal.
2. Prohibited area below electricity meter or fuse box extends to ground level.
3. See clause 5.13.6.6 for restrictions on a flue terminal under a roofed area.
4. See Appendix J, Figure JI (a) and J2(a) for clearances required from a flue
terminal to a LP Gas cylinder. A flue terminal is considered to be a source of ignition.
MINIMUM CLEARANCES REQUIRED FOR BALANCED FLUE TERMINALS
OR THE FLUE TERMINALS OF OUTDOOR APPLIANCES
CLEARANCES 'n' (mm)
Space heaters
All other appliances
Up to 50
MJ/h
Input
UP to 50 MJ/h
input
Over 50 MJ/h & up
to 150 MJ/h
Over 150 MJ/h
input
150
500
1000
1500
b
c
d
e
f
7/8/2017
Ver. 1
Installation Instructions Kemlan Portrait Power Flue Horizon Gas Fireplaces