TABLE 6.2b: SUMMARY OF VERTICAL VENTING OPTIONS
VENT OPTION #
CLASSIFICATION USED IN THIS MANUAL
ILLUSTRATED IN FIGURE
VENT PIPE STRUCTURE PENETRATION
AIR INTAKE PIPE STRUCTURE PENETRATION
VENT PIPE SIZE
AIR INTAKE PIPE SIZE
PIPE | LENGTH |
|
VENTMAXIMUM | BWC150 | |
|
| |
|
| BWC225 |
MAXIMUMINTAKE | LENGTHPIPE | BWC150 |
|
| |
|
| BWC225 |
|
|
|
EXHAUST TERMINAL
AIR INTAKE TERMINAL
VENT MATERIAL
AIR INTAKE MATERIAL
6 | 7 |
VERTICAL | VERTICAL |
DIRECT VENT | DIRECT VENT |
6.4 | 6.4 |
ROOF | ROOF |
ROOF | ROOF |
3” | 4” |
4” | 4” |
49.5 FT | N.R. |
N.R. | 47 FT |
52 FT | N.R. |
N.R. | 52 FT |
RODENT SCREEN BY VENT SYSTEM MANUFACTURER. SAME DIAMETER AS VENT SYSTEM. SEE TABLE 6.5.
4” 180 ELBOW | 4” 180 ELBOW |
|
|
APPROVED VENT SYSTEM SHOWN
IN TABLE 6.5
GALVANIZED OR PVC
“N.R” - Not recommended “N.A.” - Not applicable
12
