Blue Summit BG951UHE, Installation Instructions Manual, Page: 19 / 56

507276-04B Page 19 of 56 Issue 1904
BG951UHE Maximum Allowable Intake or Exhaust Vent Length in Feet
Standard 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 76 61 39 19 110 95 63 38 132 132 113 113
2 71 56 34 14 105 90 58 33 127 127 108 108
3 66 51 29 9 100 85 53 28 122 122 103 103
4 61 46 24
n/a
95 80 48 23 117 117 98 98
5 56 41 19 90 75 43 18 112 112 93 93
6 51 36 14 85 70 38 13 107 107 88 88
7 46 31 9 80 65 33 8 102 102 83 83
8 41 26
n/a
75 60 28
n/a
97 97 78 78
9 36 21 70 55 23 92 92 73 73
10 31 16 65 50 18 87 87 68 68
Standard 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 76 61 39
n/a
110 95 63 38 132 132 113 113
2 71 56 34 105 90 58 33 127 127 108 108
3 66 51 29 100 85 53 28 122 122 103 103
4 61 46 24 95 80 48 23 117 117 98 98
5 56 41 19 90 75 43 18 112 112 93 93
6 51 36 14 85 70 38 13 107 107 88 88
7 46 31 9 80 65 33 8 102 102 83 83
8 41 26
n/a
75 60 28
n/a
97 97 78 78
9 36 21 70 55 23 92 92 73 73
10 31 16 65 50 18 87 87 68 68
*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 5A.