64 Venting for Combustion Air
Exhaust Gas
Exterior View
Intake Air
12” (300 mm) min.
Two-Pipe Snorkel Sidewall Venting
12”
(300 mm) min.
12” (300 mm) min.
12”
(300 mm) min.*
Exhaust Gas
Intake Air
* Clearance above highest anticipated snow level or
grade, or as required by local codes, whichever is
greater.
Indoor Boiler Installation Venting
Examples
WARNING
Fire and Explosion Hazard
To prevent death, serious injury or property
damage:
●
ALWAYS make sure to follow the provided
clearance requirements.
●
Failure to do so may result in circulating exhaust
gas and cause dangerous operation of the
boiler.
The following are some possible indoor venting
options:
●
Two-Pipe Sidewall Venting
Exhaust Gas
Interior View
Intake Air
