Applications; Maximum Allowable Pipe Length (Ft) - Carrier 58MVB Series Product Data

Combustion-air and vent piping for Direct Vent/2-Pipe
(All Sizes) and Non-Direct Vent/1-Pipe (Sizes 040
through 120 Only) Applications
UNIT SIZE
ALTITUDE
(BTUH)
40,000
60,000
80,000
0 to 2000
100,000
120,000
UNIT SIZE
ALTITUDE
(BTUH)
40,000
60,000
2001 to 3000 80,000
100,000
120,000
UNIT SIZE
ALTITUDE
(BTUH)
40,000
60,000
3001 to 4000 80,000
100,000
120,000
UNIT SIZE
ALTITUDE
(BTUH)
40,000
60,000
4001 to 5000‡
80,000
100,000
120,000
See notes on page 17.

Maximum Allowable Pipe Length (Ft)

DIRECT VENT (2-PIPE) ONLY
Termination Pipe Dia
Type (IN.)*
1-1/2
2 Pipe or 2-In.
Concentric
2
1-1/2
2 Pipe or 2-In.
Concentric
2
1-1/2
2 Pipe or 2-In.
Concentric
2
2
2 Pipe or 2-In.
Concentric
2-1/2
2-1/2
2 Pipe or 3-In.
3
Concentric
3†
DIRECT VENT (2-PIPE) ONLY
Termination Pipe Dia
Type (IN.)*
1-1/2
2 Pipe or 2-In.
Concentric
2
1-1/2
2 Pipe or 2-In.
Concentric
2
1-1/2
2 Pipe or 2-In.
Concentric
2
2
2 Pipe or 2-In.
Concentric
2-1/2
3
2 Pipe or 3-In.
Concentric
3†
DIRECT VENT (2-PIPE) ONLY
Termination Pipe Dia
Type (IN.)*
1-1/2
2 Pipe or 2-In.
Concentric
2
1-1/2
2 Pipe or 2-In.
Concentric
2
1-1/2
2 Pipe or 2-In.
Concentric
2
2
2 Pipe or 2-In.
Concentric
2-1/2
3
2 Pipe or 3-In.
Concentric
3†
DIRECT VENT (2-PIPE) ONLY
Termination Pipe Dia
Type (IN.)*
1-1/2
2 Pipe or 2-In.
Concentric
2
1-1/2
2 Pipe or 2-In.
Concentric
2
1-1/2
2 Pipe or 2-In.
Concentric
2
2
2 Pipe or 2-In.
Concentric
2-1/2
2 Pipe or 3-In.
3†
Concentric
NON-DIRECT VENT
(1-PIPE) ONLY
Pipe Dia
1
(IN.)*
1-1/2 50
2 70
1-1/2 50
2 70
1-1/2 30
2 70
2 45
2-1/2 70
2-1/2 10
3 35
3 70
NON-DIRECT VENT
(1-PIPE) ONLY
Pipe Dia
1
(IN.)*
1-1/2 45
2 70
1-1/2 45
2 70
1-1/2 26
2 70
2 40
2-1/2 70
3 31
3 63
NON-DIRECT VENT
(1-PIPE) ONLY
Pipe Dia
1
(IN.)*
1-1/2 42
70 70
1-1/2 42
2 70
1-1/2 25
2 70
2 38
2-1/2 70
3 29
3 59
NON-DIRECT VENT
(1-PIPE) ONLY
Pipe Dia
1
(IN.)*
1-1/2 40
2 70
1-1/2 40
2 70
1-1/2 23
2 70
2 36
2-1/2 70
3 56
NUMBER OF 90° ELBOWS
2 3 4 5
45 40 35 30
70 70 70 70
45 40 35 30
70 70 70 70
25 20 15 10
70 70 70 70
40 35 30 25
70 70 70 70
NA NA NA NA
30 15 NA NA
70 70 70 70
NUMBER OF 90° ELBOWS
2 3 4 5
40 35 30 25
70 70 70 70
40 35 30 25
70 70 70 70
21 16 11 6
70 70 70 70
35 30 25 20
70 70 70 70
26 12 NA NA
62 62 61 61
NUMBER OF 90° ELBOWS
2 3 4 5
37 32 27 22
70 70 70 70
37 32 27 22
70 70 70 70
20 15 10 5
70 70 70 70
33 28 23 18
70 70 70 70
24 10 NA NA
59 58 57 57
NUMBER OF 90° ELBOWS
2 3 4 5
35 30 25 20
70 70 70 70
35 30 25 20
70 70 70 70
18 13 8 NA
70 70 70 70
31 26 21 16
70 70 70 70
55 54 53 52
6
25
70
25
70
5
70
20
70
NA
NA
70
6
20
70
20
70
NA
70
15
70
NA
61
6
17
17
70
NA
70
13
70
NA
56
6
15
70
15
70
NA
68
11
70
52
15