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

)

)

 

 

) ))

 

 

)

 

 

)

 

 

)

 

 

)

 

 

)

 

 

)

 

 

))

 

 

)

 

 

)

 

 

))))

 

 

))

 

 

)))

 

 

))

 

 

))))))))

 

 

)

 

 

)))

 

 

))

 

 

))

 

 

)))))))

 

 

)))

 

 

)))))))

 

 

)))

 

 

)

 

 

)

 

 

)

 

 

)

 

 

)))))

)

 

 

 

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

 

 

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

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