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Bard part 104-823 is an OEM upper heat exchanger fill used in Bard wall mounted HVAC equipment with gas heat to help close off and direct airflow around the upper section of the heat exchanger assembly for proper heat transfer and safe, stable operation. If your unit has been serviced for heat exchanger access, shows heat related cabinet discoloration, or you are replacing damaged internal baffles or fillers, installing the correct Bard 104-823 helps restore the factory airflow path and keeps the burner and heat exchanger compartment performing the way Bard designed. Verify compatibility by matching the part number to your unit model and parts list before ordering.
* Orders less than $50 may incure a minimum order fee.