Custom Search
Sponsored Links
Vents protects traps against pressure differences that could cause them to siphon or blow out, leaving occupants unprotected against smell and potential contaminants from the sewer system.
| Pipe Size (in) |
DFU max. (in) |
| 1 1/4 | 1 |
| 1 /1/2 | 81) |
| 2 | 24 |
| 2 1/2 | 48 |
| 3 | 84 |
| 4 | 256 |
1) No water closets permitted
Sponsored Links
Custom Search
Engineering ToolBox - SketchUp Edition - enabled for use with the amazing, fun and free Google SketchUp