preventing moisture-related damage to the heat exchanger or the surrounding mechanical room

Can this replace the older separate terminal board and relay

Can this be used with other refrigerants

the 400127-098 provides a seamless fit for technicians maintaining legacy systems without requiring manifold modifications

Common Questions: What does this board replace

Trane VAL20693 TXV 340155-7026 preventing moisture-related damage to theThe Trane VAL20693 TXV is a genuine OEM thermostatic expansion valve engineered for precision refrigerant metering in residential and light commercial Trane air handlers and evaporator coils. As a direct replacement for VAL11799, this expansion valve is critical for maintaining the correct superheat and ensuring the evaporator remains flooded without liquid slugging the compressor. When troubleshooting poor cooling performance or uneven frost patterns