Install Instructions

24
Venting continued-
Through The Roof Venting (Vertical Venting Concentric Vent
Terminal):
Cut the necessary holes through the roof and ceiling and install the vent
connector as shown in Figure 7. Make sure that the installation meets the local
codes and/or the National Fuel Gas Code ANSI Z223.1 (Latest Edition) or
CAN/CGA B149 installation code (latest edition).
Figure 7
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 equivalent length listed in these
instructions. For the concentric vent terminal, the maximum vent length is
reduced by 10 ft. (3.1 m).