Hearth and Home Technologies Aztec Termination Locations, Vent Termination Minimum Clearances

4 Termination Locations

A.Vent Termination Minimum Clearances

WARNING

Fire Risk. Explosion 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 fire.

Measure vertical clearances from this surface.

Measure horizontal clearances from this surface.

(See Figure 4.4 for specific clearances)

Figure 4.1

	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 4.2 Minimum Height from Roof to

Lowest Discharge Opening

Figure 4.2 specifies minimum vent heights for various pitched roofs.

GAS, WOOD OR FUEL
OIL TERMINATION			20 IN.
		(MINIMUM) TO
		PERPENDICULAR
	GAS		WALL
TERMINATION		(GAS ON LY)

			Gas Termination		Wood & Fuel Oil Termination
		A		6 in.	20 in.
	Figure 4.3 Multiple Vertical Termination
Hearth & Home Technologies, Inc. • Bravo, Aztec • InD • 703-900				Rev. N •	8/06	9