Installation / Operation Instruction Manual

Venting continued-

THROUGH THE ROOF VENTING (VERTICAL VENTING):

Cut the necessary holes through the roof and ceiling and install the vent

connector as shown in Figure 4. Make sure that the installation meets the local

codes and/or The National Fuel Gas Code ANSI Z223.1 (Latest Edition) or

CGA/CAN B149 Installation Code (Latest Edition).

Figure 4

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 “Through The Wall” section of the table

for total number of elbows used.

THROUGH THE WALL VENTING WITH LOW GROUND CLEARANCE:

When venting cannot exit through the wall at a height greater than or equal to

12 in (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 in (7.6 cm) vent pipe or Table 4 for maximum

lengths using 4 in (10.2 cm) vent pipe.

Figure 5