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Recommended exhaust vent terminator position
Fig. 21
Ref.
Description
Directly below an opening; operable windows, doors and any non-
A
mechanical fresh air openings
Below a gutter, sanitary pipework or eaves
B
Below a gutter, sanitary pipework or eaves, protected by metal
shielding
C
From any internal corner
Above ground or snow pack
D*
Above a paved sidewalk
From an opposing wall or structure facing the termination
E
From the relief valve of a Ip gas regulator
F
From a terminator facing a terminator
G
Vertically between two exhaust vent terminators on the same wall
H
Horizontally between two exhaust vent terminators on the same wall
Horizontally and vertically from the combustion air inlet terminator
I**
From the gravity combustion air inlet any other equipment
J
From any external corner
Horizontally from an opening; operable windows, doors and any non-
K
mechanical fresh air openings
L
From wall on exhaust applications
Table 10
* Subject to local codes and anticipated snow level
** Other equipment that operates with a mechanical air inlet may require greater distances, reference manufacturer's instructions
NOTICE: Exhaust and air intake must always be located
on the same wall to cancel wind pressure effects.
6 720 607 909
Installation instructions
Minimum distance
36 in (twin pipe installation)
48 in (single pipe installation)
24 in
12 in
12 in
12 in
7 ft
24 in
36 in
48 in
60 in
12 in
36 in
48 in
12 in
12 in
10 in
21
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