
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.
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24 in. min. | 20 in. |
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(508 mm) |
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(610 mm) | Vertical | ||
Lowest | |||
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Termination | Opening |
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Cap |
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Storm Collar |
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| 12 | ||
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Roof |
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Flashing |
| Roof Pitch | |
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H (min.) - Minimum height from roof to lowest discharge opening.
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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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 |
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Termination |
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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 |
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Termination |
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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
20 | Heatilator • Caliber Mesh CD |