UK/IRL
16 < < < <
Dimension Terminal position
(kW input 7.5 kW expressed in net)
Balanced flue
room sealed
Natural Draught
A Direct below an opening, airbrick, opening
windows, etc.
300 mm
B Above an opening, airbrick, opening window, etc. 300 mm
C Horizontally to an opening, airbrick, opening
window, etc.
300 mm
D Below gutters, soil pipes or drain pipes 500 mm
E Below eaves 500 mm
F Below balconies or cat port roof 600 mm
G From a vertical drain pipe or soil pipe 300 mm
H Dfrom an internal or external corner 600 mm
I Above ground roof or balcony level 300 mm
J From a surface facing the terminal 600 mm
K From a terminal facing a terminal 600 mm
L From an opening in the carport (e.g. window) into
the dwelling
1200 mm
M Vertically from a terminal on the same wall 1500 mm
N Horizontally from a terminal on the same wall 300 mm
P From a vertical structure on the roof 600 mm
Q Above intersection with roof 500 mm
Flue terminal
Fig. 3
Tabel