Haier GE APPLIANCES NF96US Installation Instructions Manual page 20

Warm air gas furnace upflow/ horizontal left/right air discharge direct vent & non-direct vent
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1-1/2" Pipe
Number of
Capacity
90° Elbows
Used
045
070
1
15
10
2
10
3
4
5
6
n/a
n/a
7
8
9
10
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.
NOTE - Contact your local FTC if more than 85ft of venting is needed.
Number of 90°
Elbows Used
045
1
73
2
68
3
63
4
58
5
53
6
48
7
43
8
38
9
33
10
28
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.
NOTE - Contact your local FTC if more than 85ft of venting is needed.
Page 20 of 56
Maximum Allowable Intake or Exhaust Vent Length in Feet
Concentric Termination at Elevation 0 - 2,000 ft
2" Pipe
Capacity
090
110
045
070
73
58
68
53
63
48
58
43
53
38
n/a
n/a
48
33
43
28
38
23
33
18
28
13
Maximum Allowable Intake or Exhaust Vent Length in Feet
Concentric Termination at Elevation 2,001 - 10,000 ft
2" Pipe
Capacity
070
090
110
30
15
25
10
20
15
10
n/a
n/a
n/a
2-1/2" Pipe
Capacity
090
110
045
070
42
22
105
105
37
17
100
100
32
12
95
95
27
90
90
22
85
85
17
80
80
12
n/a
75
75
70
70
n/a
65
65
60
60
Table 5C.
2-1/2" Pipe
Capacity
045
070
090
105
96
53
100
91
48
95
86
43
90
81
38
85
76
33
80
71
28
75
66
23
70
61
18
65
56
13
60
51
n/a
Table 5D.
Issue 2223
Capacity
090
110
045
070
89
54
121
121
84
49
116
116
79
44
111
111
74
39
106
106
69
34
101
101
64
29
96
96
59
24
91
91
54
19
86
86
49
14
81
81
44
n/a
76
76
3" Pipe
Capacity
110
045
070
38
121
121
33
116
116
28
111
111
23
106
106
18
101
101
13
96
96
91
91
86
86
n/a
81
81
76
76
507768-05G / 31-5000655
3" Pipe
090
110
114
114
109
109
104
104
99
99
94
94
89
89
84
84
79
79
74
74
69
69
090
110
114
114
109
109
104
104
99
99
94
94
89
89
84
84
79
79
74
74
69
69

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