2006 New York Code - Draft Hoods.

 
    §  27-881 Draft hoods. (a) All vented equipment, except dual oven type
  combination ranges, equipment with sealed combustion chambers, and units
  designed for power burners or forced venting, shall be installed with  a
  draft hood or with a barometric damper.
    (b)  The  draft  hood  supplied  with,  or  forming  a part of, vented
  equipment shall be installed in accordance with the requirements of  the
  applicable  standard in reference standard 15-2. The draft hood shall be
  located in the same room as the combustion air opening of the equipment.