Hearth and Home Technologies HST-42D Ft min. from top of uppermost chimney section to air inlet

3 ft min. from top of uppermost chimney section to air inlet.

)

)
) ))
)
)
)
)
)
)
))
)
)
))))
))
)))
))
))))))))
)
)))
))
))
)))))))
)))
)))))))
)))
)
)
)
)
)))))
)
		))
	))
))
))))))))))))

Note: Chimney air kit is not shown, but is required in Canada.

Figure 7.3 Possible Outside Air Inlet Locations

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 7.4 Outside Combustion Air Placement

22 Heat & Glo • HST-42D • 27177 • Rev AB • 11/08