Lennox ML296UHV Series User Manual

Page 26
TABLE 14
Maximum Allowable Intake or Exhaust Vent Length in Feet
NOTE - 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.
NOTE - Additional vent pipe and elbows used to terminate the vent pipe outside the structure must be included in the total vent length calculation.
Standard Termination at Elevation 0 - 4500 ft
Number Of 90°
Elbows Used
2” Pipe 2-1/2” Pipe 3” Pipe
Model Model Model
045 070 090 110 045 070 090 110 045 070 090 110
1 81 66 44 24 115 115 93 58 138 137 118 118
2 76 61 39 19 110 110 88 53 133 132 113 113
3 71 56 34 14 105 105 83 48 128 127 108 108
4 66 51 29
n/a
100 100 78 43 123 122 103 103
5 61 46 24 95 95 73 38 118 117 98 98
6 56 41 19 90 90 68 33 113 112 93 93
7 51 36 14 85 85 63 28 108 107 88 88
8 46 31
n/a
80 80 58 23 103 102 83 83
9 41 26 75 75 53 18 98 97 78 78
10 36 21 70 70 48 13 93 92 73 73
Standard Termination Elevation 4500 - 10,000 ft
Number Of 90°
Elbows Used
2” Pipe 2-1/2” Pipe 3” Pipe
Model Model Model
045 070 090 110 045 070 090 110 045 070 090 110
1 81 66 44
n/a
115 115 93 58 138 137 118 118
2 76 61 39 110 110 88 53 133 132 113 113
3 71 56 34 105 105 83 48 128 127 108 108
4 66 51 29 100 100 78 43 123 122 103 103
5 61 46 24 95 95 73 38 118 117 98 98
6 56 41 19 90 90 68 33 113 112 93 93
7 51 36 14 85 85 63 28 108 107 88 88
8 46 31
n/a
80 80 58 23 103 102 83 83
9 41 26 75 75 53 18 98 97 78 78
10 36 21 70 70 48 13 93 92 73 73
See concentric terminations next page.

Lennox ML296UHV Series Specifications

General

Brand	Lennox
Model	ML296UHV Series
Category	Furnace
Language	English