7
Installation Instructions
CLEARANCES FOR FLUE TERMINAL (front of heater)
The location of the flue terminal must comply with the clearances shown on this page. If you are unsure
about clearances not indicated here, in general refer to AS5601, or your local authority. In Western
Australia refer to the WA Office of Energy rules and regulations.
Use as a guide only. Refer to AS5601 or local gas fitting rules for specific locations
T=Flue terminal
I=Mechanical air inlet
M=Gas meter
W=Window
Shaded area indicates
prohibited area
P=Electricity meter
or fuse box
f
c
n
k
k
j
j
j
h
h
e
T
e
h
T
g
P
W
d
b
d
T
g
c
a
M
door
I
Ref
Item
Minimum
Clearance
mm
Natural
draft
Fan
assisted
a
Below eaves, balconies and other projections
Appliances up to 50MJ/h input
300
200
Appliances over 50 MJ/h input
500
300
b
From the ground, above a balcony or other surface
300
300
c
From a return wall or external corner
500
300
d
From a gas meter
1000
1000
e
From an electricity meter or fuse box (P)
500
500
f
From a drain pipe or soil pipe
150
75
g
Horizontally from any building structure or obstruction facing a flue
terminal
500
500
h
From any other flue terminal, cowl, or combustion air intake
500
300
j
Horizontally from an opening window, door, non-mechanical air inlet. Or other opening
into a building with the exception of sub floor ventilation
Appliances up to 150 MJ/h
500
300
Appliances over 150MJ/h input up to 200 MJ/h input
1500
300
Appliances over 250 MJ/h input
1500
1500
All fan assisted flue appliances in the direction of discharge
1500
Appliances over 200 MJ/h input up to 250 MJ/h input
1500
500
k
From a mechanical air inlet, including spa blower
1500
1000
n
Vertically below an openable window, non-mechanical air inlet, or any other opening into a
building with the exception of sub-floor ventilation:
Space heaters up to 50 MJ/h
150
150
Other appliances up to 50 MJ/h
500
500
Appliances over 50 MJ/h and up to 150 MJ/h input
1000
1000
Appliances over 150 MJ/h input
1500
1500
