Heat & Glo • ESC-42ST • 2146-900 Rev. V • 5/14
27
H
2
H
1
V
1
INSTALLED
HORIZONTALLY
1. Top Vent - Horizontal Termination
V
1
H
1
Figure 7.3
Figure 7.4
1. Top Vent - Horizontal Termination
One Elbow
Two Elbows
Fire Risk. Explosion Risk.
Do NOT pack insulation or other combustibles between ceiling
fi
restops.
• ALWAYS maintain speci
fi
ed clearances around venting and
fi
restop systems.
• Install wall shield and ceiling
fi
restops as speci
fi
ed.
Failure to keep insulation or other material away from vent pipe may cause
fi
re.
WARNING
V
1
Minimum
H
1
Maximum
2 ft
610 mm
7 in*
178 mm
3 ft
914 mm
2 ft
610 mm
4 ft
1.2 m
4 ft
1.2 m
5 ft
1.5 m
9 ft
2.7 m
6 ft
1.8 m
12 ft
3.7 m
7 ft
2.1 m
14 ft
4.3 m
10 ft
3.0 m
20 ft
6.1 m
20 ft
6.1 m
40 ft
12.2 m
After V
1
= 6 ft then H
1
= 2 x V ft Maximum
V
1
+ H
1
= 60 ft Maximum
*when used with approved termination caps
V
1
Minimum
H
1
+ H
2
3 ft
914 mm
18 in
457 mm
4 ft
1.2 m
3 ft
914 mm
5 ft
1.5 m
7 ft
2.1 m
6 ft
1.8 m
10 ft
3.0 m
7 ft
2.1 m
12 ft
3.7 m
10 ft
3.0 m
18 ft
5.5 m
20 ft
6.1 m
20 ft
6.1 m
After V
1
= 6 ft then H
1
= 2 x V
1
ft Maximum
V
1
+ H
1
+ H
2
= 60 ft Maximum
H
1
+ H
2
= 20 ft Maximum
Note:
Must have a 24 inches minimum
vertical vent before attaching any
elbow to the appliance.
Note:
Flue restrictor is permit-
ted ONLY on 30 ft. minimum
vertical runs with no elbows.
Note:
Flue restrictor is permit-
ted ONLY on 30 ft. minimum
vertical runs with no elbows.
Note:
Must have a 24 inches minimum
vertical vent before attaching any
elbow to the appliance.
