4Termination Locations
A. Flue Termination Minimum Clearances
WARNING
Fire Risk. Explosion Risk.
Maintain flue clearance to combustibles as specified.
•Do not pack air space with insulation or other materials.
Failure to keep insulation or other materials away from flue pipe may cause fire.
Measure vertical clearances from this surface.
Measure horizontal clearances from this surface.
(See Figure 4.4 for specific clearances.)
Figure 4.1 Termination Clearances
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| OIL TERMINATION |
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| PERPENDICULAR |
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| WALL |
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| TERMINATION |
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H (MIN.) - MINIMUM HEIGHT FROM ROOF
TO LOWEST DISCHARGE OPENING
Roof Pitch | H (Min.) M |
Flat to 6/12 | 30* |
Over 6/12 to 7/12 | 38* |
Over 7/12 to 8/12 | 46* |
Over 8/12 to 9/12 | 61* |
Over 9/12 to 10/12 | 76 |
Over 10/12 to 11/12 | 99 |
Over 11/12 to 12/12 | 1.22 |
Over 12/12 to 14/12 | 1.52 |
Over 14/12 to 16/12 | 1.83 |
Over 16/12 to 18/12 | 2.13 |
Over 18/12 to 20/12 | 2.29 |
Over 20/12 to 21/12 | 2.44 |
*.91M minimum in snow regions
Figure 4.3 Minimum Height from Roof to Lowest Discharge Opening
Figure 4.3 specifies minimum flue heights for various pitched roofs.
| Gas Termination | Wood & Fuel Oil Termination |
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A | 15 cm | 51 cm |
Figure 4.2 Multiple Vertical Termination
8 | Heat & Glo • |
