6
HORIZONTAL VENT SECTIONS: A minimum clearance of 1" at the bottom and sides and 2" at the top of the vent pipe in all horizontal runs to combustibles is required. Use firestop spacer
VERTICAL VENT SECTIONS: A minimum of 1" all around the vent pipe on all vertical runs to combustibles is required. Use firestop spacer W010- 1313 (supplied).
TYPICAL VENT INSTALLATIONS
REAR EXIT |
| TOP EXIT |
FIGURE 2a
FIGURE 2b
16” | FIGURE 3a | 16” |
MINIMUM |
| MINIMUM |
40 FT | MAXIMUM |
|
| 40 FT | MAXIMUM | ||
3 FT | MINIMUM |
|
| ||||
|
| 3 FT | MINIMUM | ||||
|
|
|
|
| |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
20" MAXIMUM | FIGURE 3b | 24" MAXIMUM |
10"
MINIMUM
351/2"
29 1/8" MINIMUM
PLUS RISE*
45 1/2" MINIMUM PLUS RISE*
35 1/2"
* Refer to "Venting" Section
SPECIAL VENT INSTALLATIONS
PERISCOPE TERMINATION
Use the GD201 periscope kit to locate the air termination above grade. The periscope must be installed so that when final grading is completed, the bottom air slot is located a minimum of 12 inches above grade. The maximum allowable vent length is 10 ft.
FIGURE 4a | 12” |
|
| FIGURE 4b | |||
|
|
| MINIMUM |
|
|
| 12” |
|
|
| |||||
|
|
|
|
|
|
| MINIMUM |
| 24” |
|
|
| 24” |
|
|
|
|
|
|
|
| ||
|
|
|
|
|
| ||
|
|
|
|
|
| ||
MINIMUM |
|
|
|
| |||
|
|
|
| MINIMUM | |||
CORNER TERMINATION
The maximum vent length for a corner installation is 20" of horizontal run, in addition to the 45° offset. In this case zero rise is acceptable. See FIGURE 5a. It is recommended to maintain a 6" rise. See FIGURE 5b.
FIGURE 5a |
| FIGURE 5b | |||
|
| 20” MAXIMUM |
|
| 6” RISE |
|
|
|
| MINIMUM | |
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
MAXIMUM 10FT VENT LENGTH
