6 Termination Locations
A. Vent Termination Minimum Clearances
WARNING
Fire Risk.
Maintain vent clearance to combustibles as specified.
• DO NOT pack air space with insulation or other materials.
Failure to keep insulation or other materials away from vent pipe may cause overheating and fire.
|
| HORIZONTAL |
|
| OVERHANG |
2 FT. | 20 INCHES MIN. | VERTICAL |
MIN. |
| |
| WALL | |
| LOWEST | |
|
| |
| DISCHARGE |
|
| OPENING |
|
GAS DIRECT VENT |
|
|
TERMINATION CAP |
|
|
|
| X |
|
| 12 |
|
| ROOF PITCH |
|
| IS X/ 12 |
| H (MIN.) - MINIMUM HEIGHT FROM ROOF | |
| TO LOWEST DISCHARGE OPENING | |
Roof Pitch |
| H (Min.) Ft. |
Flat to 6/12...........................................................1.0* | ||
Over 6/12 to 7/12.................................................1.25* | ||
Over 7/12 to 8/12.................................................1.5* | ||
Over 8/12 to 9/12.................................................2.0* | ||
Over 9/12 to 10/12...............................................2.5 | ||
Over 10/12 to 11/12 .............................................3.25 | ||
Over 11/12 to 12/12 .............................................4.0 | ||
Over 12/12 to 14/12.............................................5.0 | ||
Over 14/12 to 16/12.............................................6.0 | ||
Over 16/12 to 18/12.............................................7.0 | ||
Over 18/12 to 20/12.............................................7.5 | ||
Over 20/12 to 21/12.............................................8.0 | ||
* 3 foot minimum in snow regions | ||
Figure 6.1 Minimum Height From Roof To Lowest Discharge | ||
Opening |
|
|
A | B |
6 in. (minimum) up to 20 in. | 18 in. minimum |
152 mm/508 mm | 457 mm |
20 in. and over | 0 in. minimum |
Gas, Wood or Fuel Oil
Termination Cap
B
A*
Gas
Termination
Cap **
*If using decorative cap cover(s), this distance may need to be increased. Refer to the installation instructions supplied with the decorative cap cover.
**In a staggered installation with both gas and wood terminations, the wood termination cap must be higher than the gas termination cap.
Figure 6.2 Staggered Termination Caps
Heat & Glo • | 21 |