Clearances For Sidewall Terminations; Clearances For Rooftop Terminations - Takagi AT-KJr3U-IN Installation Manual And Owner's Manual

-Clearances for sidewall terminations-

For direct-vent sidewall terminations that use two separate penetrations for the intake and exhaust,
comply with the minimum clearances shown in the diagrams below.
<Case 1>
<Case 2>
1 ft. (305 mm) min.

-Clearances for rooftop terminations-

2 ft (610 mm) min.
Intake air
Exhaust
gas
• Exhaust terminations must be at least 1 ft
• 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.
Exhaust
Exhaust
Intake
1 ft. (305 mm)
min. (130 mm)
Exhaust
Exhaust
Intake
(130 mm)
1 ft Intake air
(305 mm) min.
1 ft
(305 mm) min.
Anticipated
snow level
. (305 mm) away from any obstructions.
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Page
Installation Manual
Intake
0.4 ft.
min.
Intake
0.4 ft.
min.
3 ft (914 mm) min.
1 ft
(305 mm) min.
Installation
0.4 ft.
(130 mm)
min.
0.4 ft.
(130 mm)
min.
Exhaust
gas
1 ft
(305 mm) min.
Anticipated
snow level