6Termination Locations
A. Vent Termination Minimum Clearances
WARNING
Fire Risk.
Maintain vent clearance to combustibles as speci ed.
•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 re.
Direct Vent Gas, Wood or Fuel
Oil Termination
20 in.
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18 in. |
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(457 mm) |
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Gas
Termination 
24 in. min.
(610 mm)
Termination
Cap
Storm Collar
20 in.
(508 mm)
Lowest
Discharge
Opening
12
Horizontal overhang
Vertical wall
X
Termination Caps Staggered Height
A | Gas Termination | Wood or Fuel Oil Termination |
B | 6 in. (152 mm) min. | 20 in. (508 mm) min. |
Figure 6.2 Staggered Termination Caps
Direct Vent Gas, Wood or Fuel
Oil Termination
Wood, Gas or |
Fuel Oil |
Roof Flashing 
Roof Pitch is X / 12
H (min.) - Minimum height from roof to lowest discharge opening.
Termination |
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Roof Pitch | H (Min.) Ft. | Roof Pitch | H (Min.) Ft. | ||
Flat to 6/12 |
| 1.0* | Over 11/12 to 12/12 | 4.0 | |
Over 6/12 to 7/12 | 1.25* | Over 12/12 to 14/12 | 5.0 | ||
Over 7/12 to 8/12 | 1.5* | Over 14/12 to 16/12 | 6.0 | ||
Over 8/12 to 9/12 | 2.0* | Over 16/12 to 18/12 | 7.0 | ||
Over 9/12 to 10/12 | 2.5 | Over 18/12 to 20/12 | 7.5 | ||
Over 10/12 to 11/12 | 3.25 | Over 20/12 to 21/12 | 8.0 | ||
| * 3 ft. minimum in snow regions |
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Termination Caps Same Height
*If using decorative cap cover(s), this distance may need to be increased. Refer to the installation instruc- tions supplied with the decorative cap cover.
Figure 6.3 Leveled Termination Caps
Figure 6.1 Minimum Height From Roof To Lowest Discharge Opening
27 |
