TABLE 1.12: SUMMARY OF VERTICAL VENTING OPTIONS
VENT OPTION #
CLASSIFICATION USED IN THIS MANUAL
ILLUSTRATED IN FIGURE
VENT PIPE PENETRATION
THROUGH STRUCTURE
AIR INTAKE PIPE PENETRATION THROUGH STRUCTURE
VENT PIPE SIZE
AIR INTAKE PIPE SIZE
|
| BWC070 | |
LENGTH | VENT | BWC090 | |
BWC120 | |||
|
| ||
|
| BWC151 | |
|
| BWC150 | |
MAXIMUM | INLET | BWC225 | |
BWC070 | |||
|
| ||
|
| BWC090 | |
|
| BWC120 | |
|
| BWC151 | |
|
| BWC150 | |
|
| BWC225 | |
|
| BWC070 | |
LENGTH | VENT | BWC090 | |
BWC120 | |||
|
| ||
|
| BWC151 | |
|
| BWC150 | |
MINIMUM | INLET | BWC225 | |
BWC070 | |||
|
| ||
|
| BWC090 | |
|
| BWC120 | |
|
| BWC151 | |
|
| BWC150 | |
|
|
| |
|
| BWC225 | |
VENT TERMINAL | |||
AIR INTAKE TERMINAL
VENT MATERIAL
AIR INTAKE MATERIAL
5 | 6 | 7 | 8 |
VERTICAL | VERTICAL | VERTICAL | VERTICAL |
TWIN PIPE | TWIN PIPE | TWIN PIPE | TWIN PIPE |
1.14 | 1.15 | 1.16 | 1.16 |
ROOF | ROOF | ROOF | ROOF |
ROOF | ROOF | ROOF | ROOF |
3” | 3” | 3” | 4” |
3” | 3” | 4” | 4” |
98ft | 98ft |
|
|
98ft | 98ft |
|
|
98ft | 98ft |
|
|
98ft | 98ft |
|
|
|
| 51ft |
|
|
|
| 49.5ft |
98ft | 98ft |
|
|
98ft | 98ft |
|
|
98ft | 98ft |
|
|
98ft | 98ft |
|
|
|
| 54.5ft |
|
|
|
| 54.5ft |
2ft | 2ft |
|
|
2ft | 2ft |
|
|
2ft | 2ft |
|
|
2ft | 2ft |
|
|
|
| 2ft |
|
|
|
| 2ft |
2ft | 2ft |
|
|
2ft | 2ft |
|
|
2ft | 2ft |
|
|
2ft | 2ft |
|
|
|
| 2ft |
|
|
|
| 2ft |
COUPLING | CROWN | COUPLING | COUPLING |
| PN 230873 |
|
|
180 ELBOW | CONCENTRIC | 180 ELBOW | 180 ELBOW |
TERMINAL | |||
CPVC + PVC | CPVC + PVC | CPVC + PVC | CPVC + PVC |
(Note #1) | (Note #1) | (Note #1) | (Note #1) |
PVC | PVC | PVC | PVC |
|
|
|
|
Note #1: First 30” and Elbow connected to boiler must be CPVC. Downstream vent pipe can be PVC, except as noted in text.
11