A.O. Smith ATX-199 Instruction Manual page 36

CLEARANCES FOR ROOFTOP TERMINATIONS
WARNING
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
Breathing carbon monoxide can cause brain damage
or death. Always read and understand the instruction
manual.
Note:
2 ft (610 mm) min.
Intake
1 ft
(305 mm) min
Figure 37. Angled Roof Termination
Intake
m) min.
Figure 38. Flat Roof Termination
1 ft
Exhaust
(305 mm) min
1 ft
(305 mm) min
Anticipated
Snow Level
Exhaust
1 ft
(305 mm
Anticip
Snow
Intake air
(305 mm)
min.
Intake air
(305 mm)
min.
Exhaust gas
Figure 39. Multiple Angled Roof Terminations
Intake air
Figure 40. Multiple Flat Roof Terminations
•
•
•
•
•
•
Breathing carbon monoxide can cause brain damage
or death. Always read and understand the instruction
manual.
36
(305 mm)
Exhaust
min.
gas
(305 mm)
(305 mm)
min.
min.
Intake air
Exhaust gas
Exhaust gas
WARNING