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Venting 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 inches (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 inch (7.6 cm) vent pipe or Table 4 for maximum lengths
using 4 inch (10.2 cm) vent pipe.
Figure 5
17
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