Clearances For Rooftop Terminations - American Water Heater 240HX3 Installation Manual And Owner's Manual

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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
Angled roof termination
2 ft (610 mm) min.
Intake
1 ft
(305 mm)
min.
1 ft
(305 mm)
min.
Multiple angled roof terminations
3 ft
1 ft
(914 mm)
(305 mm)
min.
min.
Intake
1 ft
1 ft
(305 mm)
(305 mm)
min.
min.
Exhaust terminations must be at least 1 ft (305 mm) away from any obstructions.
Minimum spacing between multiple terminals:
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.
WARNING
Failure to observe this warning may result in severe personal injury or death.

-Clearances for rooftop terminations-

Exhaust
1 ft
(305 mm)
min.
Exhaust
1 ft
Exhaust
(305 mm)
min.
1 ft
(305 mm)
Intake
min.
2 ft
(610 mm)
min.
intake terminals: 1 ft (305 mm) spacing between each
exhaust terminals: 1 ft (305 mm) spacing between each
16
Flat roof termination
3 ft (914 mm) min.
Intake
1 ft
(305 mm)
min.
Multiple flat roof terminations
1 �
(305 mm)
min.
Intake
Page
Installation Manual
Installation
Exhaust
1 ft
(305 mm)
min.
2 �
(610 mm)
min.
Exhaust
Exhaust
3 �
(914 mm)
1 �
min.
(305 mm)
min.
Intake

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