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Bard 542-138 is an OEM blank off plate assembly used on Bard wall mounted gas and electric package units to close off an unused opening in the cabinet and maintain proper airflow separation through the unit. This plate helps prevent air bypass and unwanted leakage that can affect ventilation performance, filtration paths, and overall unit operation after service or configuration changes. Use the part number to confirm fit by model and serial, and replace a damaged or missing plate to restore the unit to its intended factory airflow layout with a genuine Bard replacement part.
* Orders less than $50 may incure a minimum order fee.