Hearth and Home Technologies Crescent II owner manual Termination Locations

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.

2FT.

MIN.

TERMINATION

CAP

	HORIZONTAL
	OVERHANG
20 INCHES	VERTICAL
LOWEST	WALL
DISCHARGE
OPENING

X

12

ROOF PITCH

IS X/ 12

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*
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 (GAS ONLY)
18 IN. TERMINATION
			A

				Gas Termination	Wood & Fuel Oil Termination
		A		6 in.	20 in.
	Figure 4.3		Multiple Vertical Termination
Heat & Glo • Crescent II • 2083-902 Rev. G			• 9/05		9