6
INSTALLATION INSTRUCTIONS
2"
18'' min.
3'' min. / 8'' max.
18'' min.
8'' min.
IN ANY DIRECTION
8'' min.
(See Figure 7A)
90° INTAKE TERMINAL
18'' min.
90° INTAKE TERMINAL
18'' min.
VENT TERMINAL
Figure 2
Figure 3
The blower assembly must always have the two (2) inch (5.1 cm) rubber transition fitting. An increasing
coupling 2” X 3” is necessary for a three (3) inch (7.6 cm) venting system. This coupling must be installed
as close as possible after the rubber transition fitting and in every case, before the first elbow.
Vent System
Adaptor
Drain Outlet
Rubber
transition fitting
Rubber
transition
fitting
Rubber
transition
fitting
Vent System
Adaptor
Drain Outlet
Rubber
transition fitting
Increaser
Adaptor
2” X 3”
Increaser
Adaptor
2” X 3”
Connection to a
2-inch (5.1 cm)
vent system
Connection to a
3-inch (7.6 cm)
vent system
