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Bard part 9022-018 is an OEM bulkhead fitting locknut used to secure a bulkhead-style fitting through a cabinet or partition, helping keep tubing connections stable and properly supported inside Bard wall-mount HVAC equipment. Replacing a worn or missing locknut is a simple but important fix that helps prevent vibration-related loosening and protects attached lines and fittings from movement over time. For best results, match this locknut to the original fitting style and thread size shown in your Bard parts list or service manual before ordering.
* Orders less than $50 may incure a minimum order fee.