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Bard part number 800-0031 is an OEM cap tube assembly used in Bard wall-mounted air conditioners and heat pumps to meter refrigerant flow as part of the system refrigeration circuit. A properly sized capillary tube helps maintain stable evaporator feeding and consistent cooling performance, especially after a sealed-system repair where restrictions, leaks, or contamination may have damaged the original tubing. Use Bard 800-0031 when you need the correct factory match for fit and refrigerant control, and verify model and serial compatibility in your unit parts list before ordering since cap tube sizing is application-specific.
* Orders less than $50 may incure a minimum order fee.