Hearth and Home Technologies EXCLAIM-36 I. Install Outside Air Kit, 18 Outside Air Installation

NO	NO
	Garage or	NO
Outlet blocked by	combustible
snow, leaves, etc.	liquids storage	Attic space

NO

Outlet placed

higher than 3 ft

below the

termination cap

YES	Factory-built
Clear area
	fireplace
outside
house or in
ventilated
crawl space	Use only duct materials specified
	by manufacturer (preferably with
	short run or mainly straight duct,
	except small dip for cold air trap
	which will help prevent flow of cold air).

Figure 7.17 Outside Combustion Air Placement

I. Install Outside Air Kit

CAUTION! Risk of Fire or Asphyxiation! DO NOT draw outside combustion air from wall, floor or ceiling cavity, or enclosed spaces such as an attic or garage.

•DO NOT place outside air hood close to exhaust vents or chimneys. Fumes or odor could be drawn into the room through the fireplace.

•Locate outside air inlet to prevent blockage from leaves, snow/ice, or other debris. Blockages could cause combustion air starvation.

•Keep duct runs short and straight to minimize restriction. A small dip is acceptable for a cold air trap.

•The outside air kit must be installed on the left hand side of the fireplace.

•Locate the outside air hood in a clear area, preferably into prevailing wind during the heating season. Refer to Figure 5.2.

•Install as shown in Figures 7.16, 7.17 and 7.18.

•The air duct may be run vertically.

•The outside air hood must be at least 3 ft (.91 m) below the top of the uppermost chimney section.

Flexible Duct (not supplied)

		Outside Air
Outside Air		Plate
		Assembly
Hood	2 Wire Ties

Figure 7.18 Outside Air Installation

Heat & Glo • EXCLAIM-36, EXCLAIM-42 • 4013-251 Rev C • 11/08 25