COMFORT-AIRE Century GDD95C Installation Instructions Manual page 16

Number 1-1/2" Pipe
of 90°
Capacity
Elbows
045 070
Used
1 20 15
2 15 10
3 10
4
5
6
n/a
7 n/a
8
9
10
Number 1-1/2" Pipe
of 90°
Capacity
Elbows
045 070
Used
1 15 10
2 10
3
4
5
6 n/a
n/a
7
8
9
10
* Size intake and exhaust pipe length separately. Values in table are for intake or exhaust, not combined total. Both intake and
exhaust must be same pipe size.
Page 16 of 53
Maximum Allowable Intake or Exhaust Vent Length in Feet
Standard Termination at Elevation 0 − 10,000 ft.
2" Pipe
Capacity
090 110 045 070
61 46
56 41
51 36
46 31
41 26
n/a n/a
36 21
31 16
26 11
21
n/a
16
Concentric Termination Elevation 0 − 10,000 ft.
2" Pipe
Capacity
090 110 045 070
53 38
48 33
43 28
38 23
33 18
n/a n/a
28 13
23
18
n/a
13
n/a
2-1/2" Pipe
Capacity
090 110 045 070
24 100 80
19 95 75
14 90 70
85 65
80 60
n/a
75 55
n/a 70 50
65 45
60 40
55 35
2-1/2" Pipe
Capacity
090 110 045 070
22 90 70
17 85 65
12 80 60
75 55
70 50
n/a
65 45
n/a 60 40
55 35
50 30
45 25
Table 7.
Issue 1933
3" Pipe
Capacity
090 110 045 070
43 127 127
38 122 122
33 117 117
28 112 112
23 107 107
n/a
18 102 102
13 97 97
92 92
n/a 87 87
82 82
3" Pipe
Capacity
090 110 045 070
39 111 111
34 106 106
29 101 101
24 96 96
19 91 91
n/a
14 86 86
81 81
76 76
n/a
71 71
66 66
090 110
108 108
103 103
98 98
93 93
88 88
83 83
78 78
73 73
68 68
63 63
090 110
104 104
99 99
94 94
89 89
84 84
79 79
74 74
69 69
64 64
59 59
507735-03