Lennox Cascade Installation And Operation Manual page 15

Standard Horizontal Installation Configurations
Model: Cascade
®
Maintain minimum clearances specified by
vent manufacturer between wall and pipe.
If you vent to the furthest wall, the vent pipe
must maintain the specified clearance paral-
lel to the other wall.
Outside
Air Intake
Figure 15 -
Corner Through the Wall
6" / 152 mm
Minimum
6" / 152 mm
Minimum
Hearth Pad / Floor Protection
Figure 16 -
Parallel Through the Wall
Corner Through the Wall
Top View Illustration
Corner Through the Wall
Top View Illustration
Outside
Air Intake
Horizontal Vent Through the Wall
Side View Illustration
Horizontal Vent Through the Wall
Side View Illustration
Hearth Pad / Floor Protection
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE
12" (305 mm)
Minimum From
12" (305 mm)
Outer Wall
Minimum From
Outer Wall
Wall
Wall
1" (6 mm)
Outdoors
1" (25.4 mm)
Minimum
1" (25.4 mm)
12" (305 mm)
Minimum
Minimum From
Outer Wall
12" (305 mm)
From Ground or
Other Surface
Notes:
• It is not recommended to terminate
exhaust vent on the prevailing wind
side of the house.
Minimum
12" (305 mm)
Minimum From
Outer Wall
Note: Horizontal run of
pipe requires 1/4" (7 mm)
rise per foot.
45 Degree
Elbow
45 Degree
Elbow
12" (305 mm)
From Ground or
Other Surface
15