Installation
29
MAXXfl o EVO
4.7.7 FLUE TERMINAL POSITIONS - B
23
TYPE (OPEN FLUE)
Terminals should be so
positioned as to avoid
products of combustion
entering openings into
buildings or other
fl
ues or
vents
Code Minimum distance
mm
A
Directly below an opening, air brick, opening window etc
300
B
Above an opening, air brick, opening window etc
300
C
Horizontally to an opening, air brick, opening window etc
300
D
Below gutters, soil pipes or drainpipes
75
E
Below eaves
200
F
Below a balcony or car port roof
200
G
Above ground, roof or balcony level
300
H
From vertical drain or soil pipe
150
J
From an internal or external corner to an alongside boundary
300
K
From a terminal facing a terminal
1,200
L
Vertically from a terminal on the same wall
1,500
M
Horizontally from a terminal on the same wall
300
N
From a surface or a boundary line facing a terminal
600
P
From a opening in a carport (e.g. door, windows) into the building
1,200
Q
Above a pitched roof
300
R
From a roof structure
2,500
S
Above a fl at roof
300
From any other roof fl ue terminal
300
Not Recommended* - Risk assessment required
