Owner Manual

507330-02Cmrcool.com
Table 3.
Capacity of Type B Double Wall Vents with Type B Double Wall Connectors Serving a Single Category I Appliance
Height
H
(feet)
Lateral
L
(feet)
3 inch 4 inch 5 inch 6 inch
Appliance Input Rating in Thousands of Btu per Hour
MIN MAX MIN MAX MIN MAX MIN MAX
0 0 78 0 152 0 251 0 375
2 13 51 18 97 27 157 32 232
21 30 39 153 50 227
25 91 59 223
8
0 0
0 0 0
2 12 57 109 25 178 28
5 23 53 32 103 171 53 255
8 28
39 98 51
10
0 0 88 0 175 0 295 0
2 12 17 118 23 289
5 23 57 32 113
187 52 280
10 30 51
15
0 0
0 191 0 327 0 502
2 11
15 20 22 339
5 22
30 130 39 219 330
10 29 59
121 51 315
15 35 53
112 195 301
20
0 0 97 0 202 0
0
2 10 75 18 250 20 377
5 21 71 29
38
10 28 38 133 50 229 351
15
58 59 217 73 337
20
52 55 322
30
0 0 100 0 213 0
0 587
2 9 81 13
283 18
5 21 77 28 275
10 27 70 37 150 59
15 33 57 70 389
20
58 53 132 237 80
30 NR NR 73 113 88
NOTE