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Bard part number 143-186 is an OEM block off plate used on Bard wall mounted HVAC equipment to close off an unused opening in the cabinet or internal partition area after a configuration change, accessory removal, or service work. A properly fitted block off plate helps maintain correct airflow paths and cabinet integrity so the unit can operate as designed without unwanted bypass air, rattles, or drafts that can affect performance. This replacement is intended to match Bard factory fitment, making it a dependable choice when restoring a unit to original condition or sealing an opening during repairs; always confirm the exact model and serial compatibility before ordering to ensure the plate matches your unit’s layout.
* Orders less than $50 may incure a minimum order fee.