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TOP VENT - VERTICAL TERMINATION
No Elbows
Index
Letter
Maximum
A
40 ft
Two 90° Elbows
Dimensions (in Feet)
MIN. 4
6
8
10
MAX. 12
*Maximum horizontal run is 100% of vertical, but cannot exceed
20 feet.
39634-2-0720
Dimensions
Minimum
10 ft
Figure 40
A
B*
8
20
10
18-1/2
12
17
14
16
16
15
Figure 41
Three 90° Elbows
NOTE: Subtract 3ft (914 mm) from the total horizontal measure-
ment for each 90° elbow installed horizontally. Subtract 1-1/2 ft
(457 mm) from the total horizontal measurement for each 45° el-
bow installed horizontally.
Dimensions (in Feet)
MIN. 4
6
8
10
MAX. 12
*Maximum horizontal run is 100% of vertical, but cannot exceed
17 feet.
After installing the vent system, install flue heat shield.
1. Hand bend tabs on flue heat shield out 90°.
2.
Attach to insulation box as shown in Figure 43.
A
B*
8
17
10
15-1/2
12
14
14
13
16
12
Figure 42
Figure 43
Page 25
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