Installation Guide

507052-04Page 20 of 53 Issue 1727
Figure 23. Typical Exhaust Pipe Connections
A95DF2V & 95G2DFV Maximum Allowable Exhaust Vent Length Using Ventilated Attic or Crawl Space for Intake Air in Feet
Standard Termination at Elevation 0 - 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 56 41 24
n/a
85 85 63 28 103 102 83 83
2 51 36 19 80 80 58 23 98 97 78 78
3 46 31 14 75 75 53 18 93 92 73 73
4 41 26 9 70 70 48 13 88 87 68 68
5 36 21 4 65 65 43 8 83 82 63 63
6 31 16
n/a
60 60 38 3 78 77 58 58
7 26 11 55 55 33
n/a
73 72 53 53
8 21 6 50 50 28 68 67 48 48
9 16 1 45 45 23 63 62 43 43
10 11 n/a 40 40 18 58 57 38 38
NOTE: Additional vent pipe and elbows used to terminate the vent pipe outside the structure must be included in the total vent length
calculation.
Table 7C.