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Bard 137-694BX is an OEM coil riser supplied boxed for shipping protection, used within Bard wall mounted packaged HVAC units to support proper coil positioning and line routing so the refrigeration circuit and cabinet clearances stay correct. A worn, bent, or missing riser can lead to vibration, stress on tubing, and fitment issues during coil service, so replacing it with the correct factory part helps restore the original coil installation geometry and reduce the chance of rub through or leaks. Confirm compatibility by matching your unit model and serial number to the applicable Bard parts list before ordering, since coil support hardware can vary by series and revision.
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.