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NOTE - 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.
NOTE - Additional vent pipe and elbows used to terminate the vent pipe outside the structure must be included in the total vent
length calculation.
Number Of
90° Elbows
040
1
81
2
76
3
71
4
66
5
61
6
56
7
51
8
46
9
41
10
36
Number Of
90° Elbows
040
1
73
2
68
3
63
4
58
5
53
6
48
7
43
8
38
9
33
10
28
TABLE 5
Standard Termination at Elevation 0 - 4500 ft
2" Pipe
Model
060
080
66
44
61
39
56
34
51
29
46
24
41
19
36
14
31
26
n/a
21
Concentric Termination at Elevation 0 - 4500 ft
2" Pipe
Model
060
080
58
42
53
37
48
32
43
27
38
22
33
17
28
12
23
18
n/a
13
100
040
24
138
19
133
14
128
123
118
113
n/a
108
103
98
93
100
040
22
121
17
116
12
111
106
101
96
n/a
91
86
81
76
Page 19
3" Pipe
Model
060
080
137
118
132
113
127
108
122
103
117
98
112
93
107
88
102
83
97
78
92
73
3" Pipe
Model
060
080
121
114
116
109
111
104
106
99
101
94
96
89
91
84
86
79
81
74
76
69
100
118
113
108
103
98
93
88
83
78
73
100
114
109
104
99
94
89
84
79
74
69
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