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Bard part number 139-065 is an OEM damper blade used in Bard wall mounted HVAC equipment to regulate internal airflow as the damper assembly opens and closes for ventilation and economizer or free cooling operation when equipped. A worn, bent, or loose blade can lead to poor outside air control, unwanted air leakage, and inconsistent temperature or pressure performance, so replacing it with the correct Bard factory part helps restore proper damper movement and system response. Verify the part number against your unit model and the correct damper assembly location before ordering, since Bard often uses different blade sizes and related hardware across series.
* Orders less than $50 may incure a minimum order fee.