TABLE 7.8: 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
MAXIMUM LENGTH | INLETVENT | FCM090 |
FCM120 | ||
|
| FCM120 |
|
| FCM090 |
MINIMUM LENGTH | INLETVENT | FCM090 |
FCM120 | ||
|
| FCM120 |
|
| FCM090 |
|
|
|
VENT TERMINAL
AIR INTAKE TERMINAL
VENT MATERIAL
AIR INTAKE MATERIAL
5 | 6 |
VERTICAL | (RESERVED FOR |
TWIN PIPE | FUTURE USE) |
7.9 |
|
ROOF |
|
ROOF |
|
3” |
|
3” |
|
49.5ft |
|
49.5ft |
|
2ft |
|
2ft |
|
STRAIGHT TERMINAL |
|
BY VENT SYSTEM MFR. |
|
(TABLE 7.5) |
|
3” 180 ELBOW |
|
(FIGURE 7.9) |
|
APPROVED STAINLESS |
|
STEEL VENT SYSTEM |
|
SHOWN IN TABLE 7.5 |
|
GALVANIZED OR PVC |
|
|
|
19