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Top Vent - Horizontal Termination
Fire Risk. Explosion Risk.
Do NOT pack insulation or other combustibles between ceiling firestops.
• ALWAYS maintain specified clearances around venting and firestop systems.
• Install wall shield and ceiling firestops as specified.
Failure to keep insulation or other material away from vent pipe may cause fire.
One Elbow
Note: Flue restrictor is permit-
ted ONLY on 30 ft. minimum
vertical runs with no elbows.
Figure 4.9
Two Elbows
Note: Flue restrictor is permit-
ted ONLY on 30 ft. minimum
vertical runs with no elbows.
H
2
Figure 4.10
18
Note: Must have a 24 inches minimum
vertical vent before attaching any
elbow to the appliance.
H
1
Note: Must have a 24 inches minimum
vertical vent before attaching any
elbow to the appliance.
H
1
INSTALLED
HORIZONTALLY
Heat & Glo • ESC-42ST-IFT Installation Manual • 2464-980 Rev. C • 7/17
WARNING
V
1
V
1
V
Minimum
H
1
2 ft
610 mm
7 in*
3 ft
914 mm
2 ft
4 ft
1.2 m
4 ft
5 ft
1.5 m
9 ft
6 ft
1.8 m
12 ft
7 ft
2.1 m
14 ft
10 ft
3.0 m
20 ft
20 ft
6.1 m
40 ft
After V
= 6 ft then H
= 2 x V ft Maximum
1
1
V
+ H
= 60 ft Maximum
1
1
*when used with approved termination caps
V
Minimum
1
3 ft
914 mm
18 in
4 ft
1.2 m
3 ft
5 ft
1.5 m
7 ft
6 ft
1.8 m
10 ft
7 ft
2.1 m
12 ft
10 ft
3.0 m
18 ft
20 ft
6.1 m
20 ft
After V
= 6 ft then H
= 2 x V
1
1
V
+ H
+ H
= 60 ft Maximum
1
1
2
H
+ H
= 20 ft Maximum
1
2
Maximum
1
178 mm
610 mm
1.2 m
2.7 m
3.7 m
4.3 m
6.1 m
12.2 m
H
+ H
1
2
457 mm
914 mm
2.1 m
3.0 m
3.7 m
5.5 m
6.1 m
ft Maximum
1
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