THREE-WAY TRANSITION FITTING FOR COMBUSTION AIR PIPING

A transition fitting interconnects a furnace combustion air chamber to an ai r 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 instal...

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Bibliographische Detailangaben
Hauptverfasser:	KHAN, TABRAIZ ALI, REASER, GREGORY KENNETH
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AIR SUPPLY BLASTING COMBUSTION APPARATUS COMBUSTION PROCESSES DRAUGHT-INDUCING HEATING LIGHTING MECHANICAL ENGINEERING SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS WEAPONS
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Beschreibung
Zusammenfassung:	A transition fitting interconnects a furnace combustion air chamber to an ai r 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 portio n not connected to an external air duct.