Bradford White TW4-75S-76B-3N - Manual (Page 17)

17
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