Haier GE APPLIANCES NF96US, Installation Instructions Manual

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507768-05G / 31-5000655 Page 21 of 56 Issue 2223
Maximum Allowable Exhaust Vent Lengths With Furnace Installed in a Closet or Basement Using Ventilated Attic or Crawl
Space For Intake Air in Feet
Standard Termination at Elevation 0 - 2,000 ft
Number of
90° Elbows
Used
1-1/2” Pipe 2” Pipe 2-1/2" Pipe 3" Pipe
Capacity Capacity Capacity Capacity
045 070 090 110 045 070 090 110 045 070 090 110 045 070 090 110
1 15 10
n/a n/a
71 56 34 14 100 100 78 43 118 117 98 98
2 10
n/a
66 51 29 9 95 95 73 38 113 112 93 93
3
n/a
61 46 24
n/a
90 90 68 33 108 107 88 88
4 56 41 19 85 85 63 28 103 102 83 83
5 51 36 14 80 80 58 23 98 97 78 78
6 46 31 9 75 75 53 18 93 92 73 73
7 41 26
n/a
70 70 48 13 88 87 68 68
8 36 21 65 65 43
n/a
83 82 63 63
9 31 16 60 60 38 78 77 58 58
10 26 11 55 55 33 73 72 53 53
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.
Table 6A.
Maximum Allowable Exhaust Vent Lengths With Furnace Installed in a Closet or Basement Using Ventilated Attic or Crawl
Space For Intake Air in Feet
Standard Termination at Elevation 2,001 - 10,000 ft
Number of 90°
Elbows Used
2” Pipe 2-1/2" Pipe 3" Pipe
Capacity Capacity Capacity
045 070 090 110 045 070 090 110 045 070 090 110
1 71 30 15
n/a
100 96 53 38 118 117 98 98
2 66 25 10 95 91 48 33 113 112 93 93
3 61 20
n/a
90 86 43 28 108 107 88 88
4 56 15 85 81 38 23 103 102 83 83
5 51 10 80 76 33 18 98 97 78 78
6 46
n/a
75 71 28 13 93 92 73 73
7 41 70 66 23
n/a
88 87 68 68
8 36 65 61 18 83 82 63 63
9 31 60 56 13 78 77 58 58
10 26 55 51 n/a 73 72 53 53
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.
Table 6B.