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Bard 905-0532 is an OEM Heating Expansion Valve Assembly (TXV) used in Bard wall mounted HVAC equipment to meter refrigerant flow during heating operation for stable superheat control and reliable coil performance. A properly operating TXV helps prevent poor heating capacity, coil icing, and compressor stress caused by improper refrigerant feed, so replacing a sticking or restricted valve is a common fix when the heating circuit will not regulate correctly. This Bard 905-0532 valve assembly is built to match factory fit and connection points for service work on Bard packaged systems; verify compatibility by matching the full unit model and serial information before ordering since TXV applications vary by model and refrigerant.