Installation Guide

507052-04 Page 19 of 53Issue 1727
A95DF2V & 95G2DFV Maximum Allowable Intake or Exhaust Vent Length in Feet
Concentric Termination at Elevation 0 - 4,500 ft
Number of
90° Elbows
Used
2nd Pipe 2-1/2" Pipe 3" Pipe
Capacity Capacity Capacity
045 070 090 110 045 070 090 110 045 070 090 110
1 58 43 27 7 90 90 74 39 106 106 99 99
2 53 38 22
n/a
85 85 69 34 101 101 94 94
3 48 33 17 80 80 64 29 96 96 89 89
4 43 28 12 75 75 59 24 91 91 84 84
5 38 23 7 70 70 54 19 86 86 79 79
6 33 18
n/a
65 65 49 14 81 81 74 74
7 28 13 60 60 44 9 76 76 69 69
8 23
n/a
55 55 39
n/a
71 71 64 64
9 18 50 50 34 66 66 59 59
10 13 45 45 29 61 61 54 54
Concentric Termination at Elevation 4,501 - 10,000 ft
Number of
90° Elbows
Used
2nd Pipe 2-1/2" Pipe 3" Pipe
Capacity Capacity Capacity
045 070 090 110 045 070 090 110 045 070 090 110
1 58 43 27
n/a
90 90 74 39 106 106 99 99
2 53 38 22 85 85 69 34 101 101 94 94
3 48 33 17 80 80 64 29 96 96 89 89
4 43 28 12 75 75 59 24 91 91 84 84
5 38 23 7 70 70 54 19 86 86 79 79
6 33 18
n/a
65 65 49 14 81 81 74 74
7 28 13 60 60 44 9 76 76 69 69
8 23 8 55 55 39
n/a
71 71 64 64
9 18
n/a
50 50 34 66 66 59 59
10 13 45 45 29 61 61 54 54
*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.
Table 7B.