Lennox EL195UH040NE36B, Installation Instructions And Use

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Page 19
TABLE 5
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
2” Pipe 3” Pipe
Model Model
040 060 080 100 040 060 080 100
1 81 66 44 24 138 137 118 118
2 76 61 39 19 133 132 113 113
3 71 56 34 14 128 127 108 108
4 66 51 29
n/a
123 122 103 103
5 61 46 24 118 117 98 98
6 56 41 19 113 112 93 93
7 51 36 14 108 107 88 88
8 46 31
n/a
103 102 83 83
9 41 26 98 97 78 78
10 36 21 93 92 73 73
Concentric Termination at Elevation 0 - 4500 ft
Number Of
90° Elbows
2” Pipe 3” Pipe
Model Model
040 060 080 100 040 060 080 100
1 73 58 42 22 121 121 114 114
2 68 53 37 17 116 116 109 109
3 63 48 32 12 111 111 104 104
4 58 43 27
n/a
106 106 99 99
5 53 38 22 101 101 94 94
6 48 33 17 96 96 89 89
7 43 28 12 91 91 84 84
8 38 23
n/a
86 86 79 79
9 33 18 81 81 74 74
10 28 13 76 76 69 69