6 720 607 915
Installation instructions
15
Recommended exhaust vent terminator position
Fig. 18
* 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
Ref.
Description
Minimum distance
A
Directly below an opening; operable windows, doors and any non-
mechanical fresh air openings
12 in (twin pipe installation)
48 in (single pipe installation)
B
Below a gutter, sanitary pipework or eaves
24 in
Below a gutter, sanitary pipework or eaves, protected by metal
shielding
12 in
C
From any internal corner
12 in
D*
Above ground or snow pack
12 in
Above a paved sidewalk
7 ft
E
From an opposing wall or structure facing the termination
24 in
From the relief valve of a Ip gas regulator
36 in
F
From a terminator facing a terminator
48 in
G
Vertically between two exhaust vent terminators on the same wall
60 in
H
Horizontally between two exhaust vent terminators on the same wall
12 in
I**
Horizontally and vertically from combustion air inlet of a two system
GWH-450-ES
18 in
From the gravity combustion air inlet any other equipment
48 in
J
From any external corner
12 in
K
Horizontally from an opening; operable windows, doors and any non-
mechanical fresh air openings
12 in
L
From wall on exhaust applications
10 in
Table 6
