Allied Air A95UH1D Installation Instructions Manual page 22

A95UH1D and 95G1UH-P Maximum Allowable Intake or Exhaust Vent Length in Feet
Number of
90° Elbows
Used
045 070
1 68 53
2 63 48
3 58 43
4 53 38
5 48 33
6 43 28
7 38 23
8 33 18
9 28 13
10 23 8
Number of
90° Elbows
Used
045 070
1 68 53
2 63 48
3 58 43
4 53 38
5 48 33
6 43 28
7 38 23
8 33 18
9 28 13
10 23 8
*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 22 of 59
Concentric Termination at Elevation 0 - 4,500 ft
2" Pipe
Capacity
090 110 135
37 17
32 12
27 7
22
17
n/a
12
7
n/a
n/a
Concentric Termination Elevation 4,501 - 10,000 ft
2" Pipe
Capacity
090 110 135
37
32
27
22
17
n/a n/a
12
7
n/a
2-1/2" Pipe
Capacity
045 070 090 110
100 85 59 34
95 80 54 29
90 75 49 24
85 70 44 19
80 65 39 14
75 60 34 9
70 55 29
65 50 24
n/a
60 45 19
55 40 14
2-1/2" Pipe
Capacity
045 070 090 110
100 85 59 34
95 80 54 29
90 75 49 24
85 70 44 19
80 65 39 14
75 60 34 9
70 55 29
65 50 24
n/a
60 45 19
55 40 14
Table 6B.
Issue 1809
3" Pipe
Capacity
135 045 070 090
116 116 109
111 111 104
106 106 99
101 101 94
96 96 89
n/a
91 91 84
86 86 79
81 81 74
76 76 69
71 71 64
3" Pipe
Capacity
135 045 070 090
116 116 109
111 111 104
106 106 99
101 101 94
96 96 89
n/a
91 91 84
86 86 79
81 81 74
76 76 69
71 71 64
110 135
109 100
104 95
99 90
94 85
89 80
84 75
79 70
74 65
69 60
64 55
110 135
109 100
104 95
99 90
94 85
89 80
84 75
79 70
74 65
69 60
64 55
507270-03