Clearances For Rooftop Terminations - Takagi 110 Outdoor Installation Manual And Owner's Manual

-Clearances for rooftop terminations-

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
NOTICE
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.
Angled roof termination
2 ft (610 mm) min.
Intake air
Exhaust
gas
• 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.
Multiple angled roof terminations
2 ft (610 mm) min.
Intake air
1 ft
(305 mm)
Intake air
min.
1 ft
(305 mm)
min.
Exhaust
gas
• 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
WARNING
surface unless specified differently by local code.
• Failure to observe this warning may result in severe personal injury or death.
1 ft
(305 mm) min.
1 ft
(305 mm) min.
1 ft
Exhaust
(305 mm)
gas
min.
1 ft
(305 mm)
min.
1 ft
(305 mm)
min.
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Page
Installation Manual
Flat roof termination
3 ft (914 mm) min.
Intake air
1 ft
(305 mm) min.
Anticipated
snow level
Multiple flat roof terminations
2 ft
(610 mm)
2 ft
min.
(610 mm)
min.
Intake air
Intake air
1 ft
(305 mm)
1 ft
1 ft
min.
(305 mm) (305 mm)
min.
min.
1 ft
(305 mm)
min.
Installation
Exhaust
gas
1 ft
(305 mm) min.
3 ft (914 mm) min.
Exhaust gas
Exhaust gas
1 ft
(305 mm) 1 ft
min. (305 mm)
min.