Allied A95UH1E - Maximum Allowable Intake or Exhaust Vent Length

507276-03Page 20 of 59 Issue 1621
A95UH1E & 95G1UHE Maximum Allowable Intake or Exhaust Vent Length in Feet
*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.
Standard Termination at Elevation 0 - 4,500 ft
Number Of
90°
Elbows
Used
2nd Pipe 2-1/2" Pipe 3" Pipe
Modal Model Model
030
045
70 90 110 135
030
045
70 90 110 135
030
045
70 90 110 115
1 76 61 39 19
n/a
110 95 63 38
n/a
132 132 113 113 109
2 71 56 34 14 105 90 58 33 127 127 108 108 104
3 66 51 29 9 100 85 53 28 122 122 103 103 99
4 61 46 24
n/a
95 80 48 23 117 117 98 98 94
5 56 41 19 90 75 43 18 112 112 93 93 89
6 51 36 14 85 70 38 13 107 107 88 88 84
7 46 31 9 80 65 33 8 102 102 83 83 79
8 41 26
n/a
75 60 28
n/a
97 97 78 78 74
9 36 21 70 55 23 92 92 73 73 69
10 31 16 65 50 18 87 87 68 68 64
Standard Termination at Elevation 4,500 - 10,000 ft
Number Of
90°
Elbows
Used
2nd Pipe 2-1/2" Pipe 3" Pipe
Model Model Model
030
045
70 90 110 135
030
045
70 Om 110 135
030
045
70 90 110 135
1 76 61 39
n/a n/a
110 95 63 38
n/a
132 132 113 113 109
2 71 56 34 105 90 58 33 127 127 108 108 104
3 66 51 29 100 85 53 28 122 122 103 103 99
4 61 46 24 95 80 48 23 117 117 98 98 94
5 56 41 19 90 75 43 18 112 112 93 93 89
6 51 36 14 85 70 38 13 107 107 88 88 84
7 46 31 9 80 65 33 8 102 102 83 83 79
8 41 26
n/a
75 60 28
n/a
97 97 78 78 74
9 36 21 70 55 23 92 92 73 73 69
10 31 16 65 50 18 87 87 68 68 64
Maximum Allowable Intake or Exhaust Vent Length in Feet
Table 5
Concentric Termination at Elevation 0 - 4,500 ft
Number Of
90° Elbows
Used
2" Pipe 2-1/2" Pipe 3" Pipe
Model Model Model
030
045
70 90 110 135
030
045
70 90 110 135
030
045
70 90 110 135
1 68 53 37 17
n/a
100 85 59 34
n/a
116 116 109 109 100
2 63 48 32 12 95 80 54 29 111 111 104 104 95
3 58 43 27 7 90 75 49 24 106 106 99 99 90
4 53 38 22
n/a
85 70 44 19 101 101 94 94 85
5 48 33 17 80 65 39 14 96 96 89 89 80
6 43 28 12 75 60 34
n/a
91 91 84 84 75
7 38 23 7 70 55 29 86 86 79 79 70
8 33 18
n/a
65 50 24 81 81 74 74 65
9 28 13 60 45 19 76 76 69 69 60
10 23 8 55 40 14 71 71 64 64 55
Concentric Termination Elevation 4500 - 10,000 ft
Number Of
90° Elbows
Used
2" Pipe 2-1/2" Pipe 3" Pipe
Model Model Model
030
045
70 90 110 135
030
045
70 90 110 135
030
045
70 0 110 135
1 68 53 37
n/a n/a
100 85 59 34
n/a
116 116 109 109 100
2 63 48 32 95 80 54 29 111 111 104 104 95
3 58 43 27 90 75 49 24 106 106 99 99 90
4 53 38 22 85 70 44 19 101 101 94 94 85
5 48 33 17 80 65 39 14 96 96 89 89 80
6 43 28 12 75 60 34
n/a
91 91 84 84 75
7 38 23 7 70 55 29 86 86 79 79 70
8 33 18
n/a
65 50 24 81 81 74 74 65
9 28 13 60 45 19 76 76 69 69 60
10 23 8 55 40 14 71 71 64 64 55