Maximum Equivalent Vent Length - Bryant 912SC Product Data

NOTE: Maximum Equivalent Vent Length (MEVL) includes standard and concentric vent termination and does NOT include elbows.
Use Table 3 - Deductions from Maximum Equivalent Vent Length to determine allowable vent length for each application.
40,000
Outlet choke
Unit Size
required under 10
ft. TEVL
Pipe Dia.
1 ½ 2 2 ½
(in)
0-2000 20 85 185
2001-3000 80 175
15
3001-4000 70 160
4001-4500 65 155
4501-5000 10 60 145
5001-6000 55 130
6001-7000 45 120
5
7001-8000 40 110
8001-9000 30 95
N/A
9001-10000 25 85
40,000
Outlet choke
Unit Size
required under 10
ft. TEVL
Pipe Dia.
38 51 64
(mm)
0-610 6 26 57
611-914 24 53
4.5
915-1219 22 49
1220-1370 20 47
1371-1524 3 19 45
1525-1829 17 41
1830-2134 15 37
1.5
2135-2438 12 34
2439-2743 10 30
N/A
2744-3048 8 26
ELBOW CONFIGURATIONS
Long
Medium
Pipe Diameter (in):
Mitered 90º Elbow
Medium Radius 90º Elbow
Long Radius 90º Elbow
Mitered 45º Elbow
Medium Radius 45º Elbow
Long Radius 45º Elbow
Tee

MAXIMUM EQUIVALENT VENT LENGTH

Table 2 – Maximum Equivalent Vent Length - - Ft.
60,000
1 ½ 2 2 ½ 3 1 ½
100 175 200 15
20
95 165 185
90 155 175
85 170 10
15 150
80 165
75 140 155
70 130 145
10
65 120 135
N/A
5 60 115 125
N/A 55 105 115
60,000
38 5 64 76 38
31 54 61 2
6.5
29 51 57
27 48 54
26 52 3
5 46
24 51
82 43 47
22 40 44
3
20 37 42
N/A
1.5 19 35 38
N/A 17 33 36
Mitered
Table 3 – Deductions from Maximum Equivalent Vent Length - - Ft. (M)
1-1/2
8 (2.4) 8
5 (1.5) 5
3 (0.9) 3
4 (1.2) 4
2.5 (0.8) 2.5
1.5 (0.5) 1.5
16 (4.9) 16
80,000 100,000
2 2 ½ 3 4 2 2 ½
50 130 175 200 20 80
125 165 185
45 15 75
115 155 175
150 165 70
40 110
145 160
10 65
35 100 135 150
125 140 60
30 90
120 125 55
25 80 110 115 N/A 50
20 75 100 105 45
Meters
80,000 100,000
51 64 76 102 51 64
16 40 54 61 6 25
38 51 57
15 5 23
36 48 53
46 51 22
13 34
45 50
3 21
11 31 42 46
39 42 19
10 27
36 39 18
8 26 34 36 N/A 15
7 24 31 33 14
VENT TERMINAL CONFIGURATIONS
Concentric
2 2-1/2
(2.4) 8 (2.4)
(1.5) 5 (1.5)
(0.9) 3 (0.9)
(1.2) 4 (1.2)
(0.8) 2.5 (0.8)
(0.5) 1.5 (0.5)
(4.9) 16 (4.9)
8
120,000
3 4 2 ½ 3 4 2 ½
175 200 75 185 5
10
165 185 70 175
175 5 65 165
155
170
160
150 165 60
140 155 155 N/A
135 145 N/A 50 140
125 135 45 130
115 125 40 120
100 115 30 115
120,000
76 102 64 76 102 64
54 61 23 57 1.5
3
51 57 21 54
54 1.5 20 51
48
52
50
46 51 19
43 48 48 N/A
41 45 N/A 16 43
38 42 14 40
36 39 13 38
34 36 12 35
Standard 2-in., 3-in., or
optional 4-in. termination.
3
8 (2.4) 8
5 (1.5) 5
3 (0.9) 3
4 (1.2) 4
2.5 (0.8) 2.5
1.5 (0.5) 1.5
16 (4.9) 16
140,000
3 4
65 155
140
60
120
50 110
45 100
35 80
30 65
25 45
15 30
10 15
140,000
76 102
21 48
42
18
36
16 33
14 31
11 25
9 20
7 15
5 10
3.5 5
A13110
4
(2.4)
(1.5)
(0.9)
(1.2)
(0.8)
(0.5)
(4.9)