Page 35
Installation Manual - L48
ENGLISH
VENTING
4.4.5 Top Vent Horizontal Terminaison
ONE 90° ELBOW
A
TO BOTTOM
OF UNIT
B
INSTALLED
VERTICALLY
1’
MINIMUM
Example Vent Runs
Initial Pipe
Length
A (Vertical)
B (Horizontal)
Maximum
(Dimensions In Inches)
12
55
Natural - 24
Propane - 12
24
67
42
36
79
108 (9 ft)
48
91
168 (14 ft)
Note:
Pipe straps must be used every 2 feet to secure
venting. Minimum rise of the fireplace is 1 feet.
TWO 45° ELBOWS
B
A
Example Vent Runs
Initial Pipe
Length
A (Vertical)
B (Horizontal)
Maximum
(Dimensions In Inches)
12
66
72
24
80
132 (11 ft)
36
91
204 (17 ft)
48
103
240 (20 ft)
Minimum rise of the fireplace is 1 feet.
TWO 90° ELBOWS
Note:
Subtract 3 feet from the total horizontal measurement for each 90° elbow installed horizontally.
Subtract 1-1/2 feet from the total horizontal measurement for each 45° elbow installed horizontally.
Example Vent Runs
Initial Pipe
Length
A (Vertical)
B (Horizontal)
Maximum
(Dimensions In Inches)
12
55
0
24
67
6
36
79
72 (6 ft)
48
91
132 (11 ft)
Minimum rise of the fireplace is 1 feet.
