Lennox EL196UH030XE36B, Information

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Page 26
TABLE 12 Continued
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.
Concentric Termination at Elevation 0 - 4500 ft
No.
Of 90°
Elbows
1-1/2” Pipe 2” Pipe 2-1/2” Pipe 3” Pipe
Model Model Model Model
030 045 070 090 110 030
045 070 090 110
030
045 070 090 110
030
045 070 090 110
1 20 15 10
n/a n/a
73 58 42 22 105 105 89 54 121 121 114 114
2 15 10
n/a
68 53 37 17 100 100 84 49 116 116 109 109
3 10
n/a
63 48 32 12 95 95 79 44 111 111 104 104
4
n/a
58 43 27
n/a
90 90 74 39 106 106 99 99
5 53 38 22 85 85 69 34 101 101 94 94
6 48 33 17 80 80 64 29 96 96 89 89
7 43 28 12 75 75 59 24 91 91 84 84
8 38 23
n/a
70 70 54 19 86 86 79 79
9 33 18 65 65 49 14 81 81 74 74
10 28 13 60 60 44 n/a 76 76 69 69
Concentric Termination Elevation 4500 - 10,000 f
t
No.
Of 90°
Elbows
1-1/2” Pipe 2” Pipe 2-1/2” Pipe 3” Pipe
Model Model Model Model
030 045 070 090 110 030
045 070 090 110
030
045 070 090 110
030
045 070 090 110
1 20 15 10
n/a n/a
73 58 42
n/a
105 105 89 54 121 121 114 114
2 15 10
n/a
68 53 37 100 100 84 49 116 116 109 109
3 10
n/a
63 48 32 95 95 79 44 111 111 104 104
4
n/a
58 43 27 90 90 74 39 106 106 99 99
5 53 38 22 85 85 69 34 101 101 94 94
6 48 33 17 80 80 64 29 96 96 89 89
7 43 28 12 75 75 59 24 91 91 84 84
8 38 23
n/a
70 70 54 19 86 86 79 79
9 33 18 65 65 49 14 81 81 74 74
10 28 13 60 60 44 n/a 76 76 69 69