Installation / Operation Instruction Manual
Table Of Contents
23
Venting (Part II) 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) from the ground or from the anticipated snow
level, then the installation must be modified as shown below (see Figure
9). Refer to Table 7 for maximum venting lengths using 2’’ (5.1 cm) vent
pipe or Table 8 for maximum lengths using 3’’ (7.6 cm) vent pipe.
2” VENT INSTALLATION
3” VENT INSTALLATION
Figure 9
NOTE: For installations requiring both horizontal and vertical runs, the
following rule must be followed: Total length of straight pipe (both
horizontally and vertically) must not exceed the allowable length listed in
the Table 7 and 8 for total number of elbows used.