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• S553-521-1 OBSOLETE

• Filter Door Assembly - White

The Bard S553-521-1 is an OEM filter door assembly used on select Bard wall-mounted HVAC units to cover and secure the return air filter opening while allowing quick access for routine filter checks and changes. A properly fitting filter door helps keep the filter seated so air is directed through the media instead of bypassing around it, which supports airflow, protects internal components from dirt buildup, and helps the unit maintain intended performance. Since Bard uses model-specific cabinet layouts, confirm compatibility with your unit model and serial number before ordering to ensure correct fit and latch alignment.