Allied Air Enterprises WARM AIR GAS FURNACE 92G1UH - Manual (Page 19)

506724-01 Page 19 of 57 Issue 1108
TABLE 5 Continued
A95UH and 95G1UH 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
Number Of
90° Elbows
Used
2" Pipe 2−1/2" Pipe 3" Pipe
Model Model Model
045 070 090 110 135 045 070 090 110 135 045 070 090 110 135
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
Concentric Termination Elevation 0 − 4,500
Number Of
90° Elbows
Used
2" Pipe 2−1/2" Pipe 3" Pipe
Model Model Model
045 070 090 110 135 045 070 090 110 135 045 070 090 110 135
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 9 91 91 84 84 75
7 38 23 7 70 55 29
n/a
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
Standard Termination at Elevation 4,501 − 10,000
Number Of
90° Elbows
Used
2" Pipe 2−1/2" Pipe 3" Pipe
Model Model Model
045 070 090 110 135 045 070 090 110 135 045 070 090 110 135
1 76 61 39
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
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
Concentric Termination Elevation 4,501 − 10,000
Number Of
90° Elbows
Used
2" Pipe 2−1/2" Pipe 3" Pipe
Model Model Model
045 070 090 110 135 045 070 090 110 135 045 070 090 110 135
1 68 53 37
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
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 9 91 91 84 84 75
7 38 23 7 70 55 29
n/a
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