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The Bard 800-0076BX Cap Tube Assembly - Boxed is an OEM refrigerant metering component used in Bard wall-mounted air conditioner and heat pump refrigeration circuits to help control refrigerant flow and maintain stable system operation. If your unit is experiencing poor cooling, icing, or performance issues related to improper refrigerant feed, replacing the cap tube assembly with the correct Bard factory part can restore the designed balance between the evaporator and condenser. Because cap tube sizing and configuration are application-specific, confirm the exact part number and unit model/serial compatibility before ordering to ensure proper fit and reliable performance.
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.