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the control board will typically display a fault code 25
the Nordyne 622684 replaces several legacy part numbers
This valve uses an external equalizer to monitor suction line pressure accurately
For full condensing unit protection
Always cross-reference your specific model's parts list to confirm the -
Trane VAL8716 TXV 322838-754 the control board will typicallyFor service technicians addressing mass flow issues in 3 ton residential or light commercial split systems, the Trane VAL8716 TXV is the specified OEM replacement for maintaining evaporator efficiency. This thermal expansion valve is engineered for R410A refrigerant and features standard 3 8 inch x 1 2 inch sweat connections to ensure a leak free mechanical fit. By precisely modulating refrigerant flow based on superheat feedback from the sensing