Clearances For Rooftop Terminations - Takagi 140 Indoor Installation Manual And Owner's Manual

-Clearances for rooftop terminations-

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
1 ft
(305 mm) min.
Multiple angled roof terminations
1 ft
Intake air
(305 mm)
min.
Intake air
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
WARNING
wall or surface unless specified differently by local code.
• Failure to observe this warning may result in severe personal injury or death.
Exhaust
1 ft
gas
(305 mm) min.
1 ft
(305 mm) min.
Anticipated
snow level
1 ft
(305 mm)
Exhaust
min.
gas
1 ft
1 ft
(305 mm)
(305 mm)
min.
min.
27
Flat roof termination
3 ft (914 mm) min.
Intake air
Exhaust gas
1 ft
(305 mm) min.
Multiple flat roof terminations
2 ft
(610 mm)
2 ft
min.
Intake air
(610 mm)
min.
1 ft
(305 mm)
1 ft
min.
Intake air
(305 mm)
min.
Page
Installation Manual
Installation
1 ft
(305 mm) min.
Anticipated
snow level
3 ft (914 mm) min.
Exhaust gas
Exhaust gas
1 ft
1 ft
(305 mm)
(305 mm)
min.
min.
1 ft
1 ft
(305 mm)
(305 mm)
min.
min.