30
NOTICENOTICE
The joint between the terminal and the last
piece of pipe must be outside of the building.
Use 90° elbow or tee for horizontal sidewall
vent termination when using room air for
combustion.
VII(continued)
F. Terminal Installaon
WARNINGWARNING
24in. (610mm) MAX
TO WALL (TYP)
COMBUSTION AIR TERMINAL
(COMBUSTION AIR VERTICAL
RUN MAY BE OMITTED)
WARNINGWARNING
Moisture and ice may form on the surface
around vent termination.
To prevent deterioration, surface must be in
good repair (sealed, painted, etc.).
Do not allow low spots in the vent where con-
densate may pool.
diameters.
All vent and combustion air piping must be
sealed and airtight.
Alteration of the appliance vent connection is
prohibited.
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