Installation Sheet
19 Page
Installaon
Installaon Manual
-Clearances for rooop terminaons-
Exhaust terminations must be at least 1 ft (305 mm) away from any obstructions.
Minimum spacing between multiple terminals:
intake terminals: 1 ft (305 mm) spacing between each
exhaust terminals: 1 ft (305 mm) spacing between each
The exhaust termination must be a horizontal distance of at least 2 ft (610 mm) from a
wall or surface unless specified differently by local code.
Failure to observe this warning may result in severe personal injury or death.
WARNING
Flat roof terminationAngled roof termination
Vercal wall
1
(305 mm)
min.
2
(610 mm)
min.
2
(610 mm)
min.
1
(305 mm)
min.
1
(305 mm)
min.
1
(305 mm)
min.
1
(305 mm)
min.
3 (914 mm) min.
Exhaust gas
Exhaust gas
Intake air
Intake air
Ancipated snow level
1
(305 mm)
min.
Multiple flat roof terminations
Exhaust
gas
Exhaust
gas
Intake air
Intake air
1
(305 mm)
min.
1
(305 mm)
min.
1
(305 mm)
min.
1
(305 mm)
min.
Ancipated snow level
1
(305 mm)
min.
2 (610 mm) min.
Multiple angled roof terminations
In lieu of using roof caps, a 90 degree elbow and 45 degree elbow can be used for the exhaust, and
two 90 degree elbows can be used for the air intake.
3 ft (914 mm) min.
1 ft
(305 mm) min.
1 ft
(305 mm) min.
Intake air
Exhaust
gas
Anticipated
snow level
2 ft (610 mm) min.
1 ft
(305 mm) min.
1 ft
(305 mm) min.
Intake air
Exhaust
gas
Anticipated
snow level
Improper installation can result in carbon monoxide poisoning or death. Follow all local
and national codes in regards to proper termination clearances. In the absence of such
codes, the clearances below must be met. Local codes supersede these clearances.
Failure to observe this warning may result in severe personal injury or death.
WARNING
Canadian requirements differ from the guidelines in this section. In Canada, follow the
requirements of B149.1 (Natural Gas and Propane Installation Code, current edition)
as well as local and provincial codes. Contact your local code enforcement agency for
direction.
NOTICE