Hearth and Home Technologies COLBAY-INS owner manual Termination Locations

4 Termination Locations

A. Vent Termination Minimum Clearances

Figure 4.1 specifies minimum vent heights for various pitched roofs.

HORIZONTAL

OVERHANG

GAS OR WOOD
TERMINATION	2 FEET
	(MINIMUM) TO
	PERPENDICULAR
GAS	WALL (GAS ONLY)
18 IN. TERMINATION
A

2FT.

MIN.

GAS DIRECT VENT

TERMINATION CAP

20 INCHES MIN.	VERTICAL
LOWEST	WALL
DISCHARGE
OPENING

X

12

ROOF PITCH

IS X/ 12

H (MIN.) - MINIMUM HEIGHT FROM ROOF TO LOWEST DISCHARGE OPENING

		Gas Termination		Wood & Fuel Oil Termination
	A		6 in.	20 in.
Figure 4.2			Multiple Vertical Termination

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 4.1 Minimum height from roof to lowest discharge opening

WARNING

Fire Risk.

Asphyxiation Risk.

•Terminations MUST meet minimum clearances.

•Exhaust gases are hot.

•Nearby vents may draw fumes into house.

Quadra-Fire • Columbia Bay Insert • 7002-109 Rev. H • 10/08 7