TABLE 5 Continued
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.
Concentric Termination at Elevation 0 - 4500 ft
Number Of |
|
| 2” Pipe |
|
|
|
|
|
|
|
|
| 3” Pipe |
|
| |||
90° Elbows |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Model |
|
|
|
|
| Model |
|
|
|
|
| Model |
|
| ||
Used |
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
| 045 | 070 | 090 | 110 | 135 | 045 | 070 |
| 090 |
| 110 | 135 |
| 045 | 070 | 090 | 110 | 135 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 | 73 | 58 | 42 | 22 |
| 105 | 105 |
| 89 |
| 54 |
|
| 121 | 121 | 114 | 114 | 105 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2 | 68 | 53 | 37 | 17 |
| 100 | 100 |
| 84 |
| 49 |
|
| 116 | 116 | 109 | 109 | 100 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
3 | 63 | 48 | 32 | 12 |
| 95 | 95 |
| 79 |
| 44 |
|
| 111 | 111 | 104 | 104 | 95 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
4 | 58 | 43 | 27 |
|
| 90 | 90 |
| 74 |
| 39 |
|
| 106 | 106 | 99 | 99 | 90 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
5 | 53 | 38 | 22 |
|
| 85 | 85 |
| 69 |
| 34 |
|
| 101 | 101 | 94 | 94 | 85 |
|
|
|
|
| n/a |
|
|
|
|
|
| n/a |
|
|
|
|
|
|
6 | 48 | 33 | 17 |
| 80 | 80 |
| 64 |
| 29 |
| 96 | 96 | 89 | 89 | 80 | ||
|
|
|
|
|
| |||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
7 | 43 | 28 | 12 | n/a |
| 75 | 75 |
| 59 |
| 24 |
|
| 91 | 91 | 84 | 84 | 75 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
8 | 38 | 23 |
|
|
| 70 | 70 |
| 54 |
| 19 |
|
| 86 | 86 | 79 | 79 | 70 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
9 | 33 | 18 | n/a |
|
| 65 | 65 |
| 49 |
| 14 |
|
| 81 | 81 | 74 | 74 | 65 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
10 | 28 | 13 |
|
|
| 60 | 60 |
| 44 |
| n/a |
|
| 76 | 76 | 69 | 69 | 60 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
| Concentric Termination Elevation 4501 - 10,000 ft |
|
|
|
|
| ||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
Number Of |
|
| 2” Pipe |
|
|
|
|
|
|
|
|
| 3” Pipe |
|
| |||
90° Elbows |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Model |
|
|
|
|
| Model |
|
|
|
|
| Model |
|
| ||
Used |
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
| 045 | 070 | 090 | 110 | 135 | 045 | 070 |
| 090 |
| 110 | 135 |
| 045 | 070 | 090 | 110 | 135 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 | 73 | 58 | 42 |
|
| 105 | 105 |
| 89 |
| 54 |
|
| 121 | 121 | 114 | 114 | 105 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2 | 68 | 53 | 37 |
|
| 100 | 100 |
| 84 |
| 49 |
|
| 116 | 116 | 109 | 109 | 100 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
3 | 63 | 48 | 32 |
|
| 95 | 95 |
| 79 |
| 44 |
|
| 111 | 111 | 104 | 104 | 95 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
4 | 58 | 43 | 27 |
|
| 90 | 90 |
| 74 |
| 39 |
|
| 106 | 106 | 99 | 99 | 90 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
5 | 53 | 38 | 22 |
|
| 85 | 85 |
| 69 |
| 34 |
|
| 101 | 101 | 94 | 94 | 85 |
|
|
|
| n/a | n/a |
|
|
|
|
|
| n/a |
|
|
|
|
|
|
6 | 48 | 33 | 17 | 80 | 80 |
| 64 |
| 29 |
| 96 | 96 | 89 | 89 | 80 | |||
|
|
|
|
|
| |||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
7 | 43 | 28 | 12 |
|
| 75 | 75 |
| 59 |
| 24 |
|
| 91 | 91 | 84 | 84 | 75 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
8 | 38 | 23 |
|
|
| 70 | 70 |
| 54 |
| 19 |
|
| 86 | 86 | 79 | 79 | 70 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
9 | 33 | 18 | n/a |
|
| 65 | 65 |
| 49 |
| 14 |
|
| 81 | 81 | 74 | 74 | 65 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
10 | 28 | 13 |
|
|
| 60 | 60 |
| 44 |
| n/a |
|
| 76 | 76 | 69 | 69 | 60 |
|
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Page 20