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5651-040 OBSOLETE
- Expansion Valve 1/2X7/8 ODF-5'
Bard 5651-040 is an OEM expansion valve used in Bard wall mounted air conditioners and heat pump equipment to meter refrigerant flow into the evaporator and maintain stable superheat for consistent cooling performance. This valve matches the published connection sizes of 1/2 inch by 7/8 inch ODF and includes a 5 foot sensing element/capillary assembly, making it a direct fit style replacement when correcting issues like hunting, poor cooling, or improper evaporator feeding caused by a sticking or restricted metering device. As with any TXV changeout, verify your unit model and refrigerant application in the Bard service literature and replace the filter drier and evacuate properly to protect the new valve and restore factory operation.
Official replacement(s):
5651-101
- Expansion Valve 7/8X1/2X1/4ODF