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Installation
Copyright (optional information)
6 720 643 068 (2011/06)
Fig. 26 Vent and combustion air pipe position
Direct vent (sealed combustion):
1
Forced Air Inlet
2
Gravity Air Inlet
3
Exhaust terminal
X
1
1 foot (305 mm)
X
2
3 feet (915 mm)
X
3
1 foot (305 mm)
X
4
5 feet (1525 mm)
X
5
7 feet (2135 mm) above public walkway
Y
A
At least 1 feet (305 mm) above grade and snow line
Y
B
Exhaust terminal must be at least 3 feet (915 mm) above
forced air inlet within 10 feet (3050 mm)
Fan assisted appliance (non-sealed combustion):
1
Forced Air Inlet
2
Gravity Air Inlet
3
Exhaust terminal
X
1
1 foot (305 mm)
X
2
3 feet (915 mm)
X
3
4 feet (1220 mm)
X
4
5 feet (1525 mm)
X
5
7 feet (2135 mm) above public walkway
Y
A
At least 1 foot (305 mm) above grade and snow line
Y
B
Exhaust terminal must be at least 3 feet (915 mm) above
forced air inlet within 10 feet (3050 mm)
NOTICE:
B
DO NOT use cellular core pipe.
B
DO NOT use PVC when using anti-freeze in
the primary circuit of the boiler. Use CPVC
or stainless steel only!
NOTICE:
B
Vent terminations must keep the following
minimum clearances from electric meters,
gas meters, regulators and relief
equipment: 4 feet (1220 mm) [Canada
6 feet (1830 mm)] horizontally and in no
case above and below, unless a horizontal
distance of 4 feet (1220 mm) [Canada
6 feet (1830 mm)] is maintained.
X
1
X
2
X
3
X
4
X
5
X
1
X
1
X
2
X
3
X
3
1
2
Y
A
Y
B
Y
A
6 720 641 933-17.1O
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3
3
3