Lennox EL296UHV Series Unit Information page 63

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
No Of 1-1/2" Pipe
90°
Model
Elbows
045 070 090
Used
1 25 20
2 20 15
3 15 10
4 10
5
n/a
6
7 n/a
n/a
8
9
10
No Of 1-1/2" Pipe
90°
Model
Elbows
045 070 090
Usedl
1 25 20
2 20 15
3 15 10
4 10
5
n/a
6
7 n/a
n/a
8
9
10
See concentric terminations next page.
Maximum Allowable Intake or Exhaust Vent Length in Feet
Standard Termination at Elevation 0 - 4500 ft
2" Pipe
Model
110 135 045 070 090
81 66 44
76 61 39
71 56 34
66 51 29
61 46 24
n/a n/a
56 41 19
51 36 14
46 31
41 26 n/a
36 21
Standard Termination Elevation 4500 - 10,000 ft
2" Pipe
Model
110 135 045 070 090
81 66 44
76 61 39
71 56 34
66 51 29
61 46 24
n/a n/a
56 41 19
51 36 14
46 31
41 26 n/a
36 21
TABLE 24
2-1/2" Pipe
Model
110 135 045 070 090
25 115 115
19 110 110
14 105 105
100 100
95 95
n/a
90 90
n/a 85 85
80 80
75 75
70 70
2-1/2" Pipe
Model
110 135 045 070 090
115 115
110 110
105 105
100 100
95 96
n/a n/a
90 90
85 85
80 80
75 75
70 70
Page 63
110 135 045 070 090 110 135
93 58 138 137 118 118 114
88 53 133 132 113 113 109
83 48 128 127 108 108 104
78 43 123 122 103 103
73 38 118 117
n/a
68 33 113 112
63 28 108 107
58 23 103 102
53 18 98 97
48 13 93 92
110 135 045 070 090 110 135
93 58 138 137 118 118 114
88 53 133 132 113 113 109
83 48 128 127 108 108 104
78 43 123 122 103 103
73 38 118 117
n/a
68 33 113 112
63 28 108 107
58 23 103 102
53 18 98 97
48 13 93 92
3" Pipe
Model
99
98 98 94
93 93 89
88 88 84
83 83 79
78 78 74
73 73 69
3" Pipe
Model
99
98 98 94
93 93 89
88 88 84
83 83 79
78 78 74
73 73 69