15
Venting (Part I) continued-
THROUGH THE WALL VENTING WITH LOW GROUND CLEARANCE:
When venting cannot exit through the wall at a height greater than or equal to
12”
(30.5 cm)
above the ground, or anticipated snow level, the installation must
be modified as shown below (see Figure 5). Refer to Table 3 for maximum
venting lengths using 3”
(7.6 cm)
vent pipe or Table 4 for maximum lengths
using 4”
(10.2 cm)
vent pipe.
3” VENT INSTALLATION
4” VENT INSTALLATION
Figure 5
Internet Version for Reference Only
