INDOOR INSTALLATIONS
Category I, Category III Venting
• Vent the heater in accordance with the
National Fuel Gas Code ANSI
®
Z223.1
(NFPA
®
54).
• Category I:
Install a 4"
double-wall
appliance adapter to meet vent size
requirements for the heater model.
• Category III:
Install vent connector or
elbow to the flue collar according to
specific installation instructions from the
vent component manufacturer.
Model
Vent Size
(Category I)
Vent Size
(Category III)
JXI200
6" (15 cm)
4" (10 cm)
JXI260
7" (18 cm)
4" (10 cm)
JXI330
8" (20 cm)
4" (10 cm)
JXI400
8" (20 cm)
4" (10 cm)
9
For detailed information, refer to the complete installation and owner’s manual.