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Indoor Boiler Installation Venting
Examples
The following are some possible indoor venting
options:
Two-Pipe Sidewall Venting
●
Interior View
Exterior View
66
Venting for Combustion Air
Intake Air
Exhaust Gas
i n .
m ) m
0 0 m
1 2 " ( 3
Exhaust Gas
Intake Air
Two-pipe Vertical Venting - Intake and exhaust
●
pipes do not have to terminate in the same area.
36" (900 mm) min.
12" (300 mm) min.
Intake Air
Non-Concentric Sidewall Venting - Air is drawn
●
from a different location that is at least 12 in (300
mm) away from the exhaust termination. The
exhaust termination can be located either on the
sidewall or roof. Try to minimize the length of the
intake air pipe when installing the vent.
* 12" (300mm) above the highest anticipated snow
level, or as required by local codes, whichever is
greater
Exhaust Gas
12" (300 mm) min
From any
obstruction
(above, below,
left, or right)
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