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Bard 135X393BX is an OEM right hand copper chase used in Bard wall mount HVAC cabinets to shield, support, and route refrigerant tubing and related copper lines through the unit without chafing or vibration damage. This internal sheet metal component helps keep the piping pathway secure during operation and service, which is important for preventing rub through leaks and maintaining proper clearances around the coil and compressor compartment. If your original chase is bent, missing, or damaged from prior repairs, replacing it with the correct Bard part restores the factory fit and helps technicians reassemble the refrigerant compartment correctly for safe, reliable operation.
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.