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The Bard 9022-070BX is a 7-1/4 inch air tube and flange assembly used in select Bard HVAC equipment to route combustion air correctly and maintain stable burner operation. Replacing a damaged, rusted, or leaking air tube assembly helps restore proper air delivery to the burner area, supporting clean ignition and reliable heating performance. As an OEM Bard part, 9022-070BX is built for the correct fit at the mounting flange and proper alignment in the original application, which helps prevent nuisance lockouts and service callbacks when installed per the unit manual.
Bard uses suffixes like "BX" to manage parts internally. These do not change the physical form or function of the part.
A part number ending in "BX" simply means it is packaged in a box for shipping, rather than for internal assembly use.
Example: 8406-142BX is physically identical to 8406-142.