Instructions / Assembly

47
VENT / AIR INLET SIZE
MINIMUM EXISTING VENT / CHASE SIZE
3”
5”
4”
7”
Table 13 Minimum Vent / Chase Sizing
2. VENTING AS A CHASE
When venting as a chase, follow all instructions included in Part 6
Venting, of this manual, as well as the previous Concentric Venting
section. See Figure 25 for chase venting demonstration.
Figure 25 Existing Venting as Chase NOTE: Drawing is
meant to demonstrate system venting ONLY.