Trane VAL9557 TXV 318423-701 The "C" suffix often denotes

The "C" suffix often denotes specific packaging or bulk configurations but does not affect the valve's mechanical operation or compatibility

always verify the temperature range and differential against your specific OEM requirements to ensure proper cycling

Set screws should be tightened to manufacturer specifications to ensure firm contact without deforming the inner ring or damaging the shaft

ensuring compatibility with most modern Amana-Goodman furnace parts

and the 65F indicates the fan or reset setpoint of 65°F (contacts close on fall)

Trane VAL9557 TXV 318423-701 The "C" suffix often denotesThe Trane VAL9557 TXV is a high performance thermal expansion valve engineered specifically for 5 ton residential and commercial split systems utilizing R410A refrigerant. As a critical metering device, this direct OEM replacement ensures precise superheat control by modulating liquid refrigerant flow into the evaporator coil. This 5 ton TXV features an external equalizer and mechanical brazed connections (5 8 inch) designed to maintain a consistent