41978-2-0321
Page 36
VENTING FIREPLACE - HORIZONTAL TERMINATION
NOTE:
Pipe straps must be used every 2 feet to secure venting.
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
40-1/2
15
24
52-1/2
60 (5ft)
36
64-1/2
108 (9ft)
48
76-1/2
156 (14ft)
Figure 45
TWO 45° ELBOWS
Installation requirements to replace the first 90° elbow with two
45° elbows:
B
A
TO BOTTOM
OF UNIT
INSTALLED
VERTICALLY
INSTALLED
VERTICALLY
C
TO COLLAR
EXAMPLE VENT RUNS
C
A
(Vertical)
B (Horizontal)
Maximum
(Dimensions In Inches)
27-1/4 (Min.)
52-1/2
60 (5ft)
39-1/4
64-1/2
108 (9ft)
51-1/4
76-1/2
156 (13ft)
Figure 46
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.
2’
MININUM
INSTALLED
HORIZONTALLY
B
A
EXAMPLE VENT RUNS
Initial Pipe
Length
A
(Vertical)
B (Horizontal)
Maximum
(Dimensions In Inches)
24
52-1/2
24 (2ft)
36
64-1/2
72 (6ft)
48
76-1/2
120 (10ft)
Figure 47
THREE 90° ELBOWS
B
INSTALLED
VERTICALLY
INSTALLED
VERTICALLY
C
TO COLLAR
EXAMPLE VENT RUNS
Initial Pipe
Length
A
(Vertical)
B (Horizontal)
Maximum
(Dimensions In Inches)
27-1/4 (Min.)
52-1/2
60 (5ft)
39-1/4
64-1/2
108 (9ft)
51-1/4
76-1/2
156 (13ft)
Figure 48
