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The Bard 905-0732 is an OEM electronic expansion valve (EEV) assembly used in select Bard wall-mount heat pump and air conditioning equipment to meter refrigerant flow to the evaporator for stable superheat control and reliable capacity management across changing conditions. This valve assembly is a key refrigerant-side component for proper system performance, and it is typically replaced when the valve fails to regulate accurately or after a sealed-system repair where correct metering is critical. Match the part number exactly and confirm unit model and revision in the Bard parts list before ordering to ensure correct fit and wiring compatibility with the unit’s EEV control system.