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Bard part 9043-117 is an OEM cross over tube (HG140D-4, ref. 216960) used within the sealed refrigerant circuit on select Bard wall-mounted HVAC units to route refrigerant between system components and maintain correct flow through the refrigeration loop. When an original tube is damaged, restricted, or leaking, replacing it with the correct Bard factory part helps restore proper pressures and reliable heating and cooling performance without forcing improvisations in the piping layout. Confirm application by matching the unit model and serial number to the Bard service literature or the original tube markings before ordering, since tubing geometry and connections must match exactly for a trouble-free repair.
* Orders less than $50 may incure a minimum order fee.