F - Mech Eng,Light,Heat,Weapons – 23 – L
Patent
F - Mech Eng,Light,Heat,Weapons
23
L
F23L 1/00 (2006.01)
Patent
CA 2521742
A transition fitting interconnects a furnace combustion air chamber to an air duct supplying combustion air to the furnace. The fitting includes a housing portion having opposed first opening and second openings, the first opening being disposed adjacent a furnace combustion air chamber upon installation and three tubular portions connected to the housing portion and disposed adjacent to the second opening. Each of the three tubular portions define a central axis and have a first opening into the housing portion and a second opening configured to receive an inlet air duct. One tubular portion is disposed at an angle to the central axes of the other two tubular portions. A peripheral flange portion sealably attaches the housing portion to a frame portion of a furnace. A removably attachable cap is configured to selectively close a tubular portion not connected to an external air duct.
Khan Tabraiz Ali
Reaser Gregory Kenneth
Kirby Eades Gale Baker
York International Corporation
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