Trane VAL18911 Expansion Valve/TXV, R410A, 9 Ton

A Trane VAL18911 Expansion Valve/TXV modulates refrigerant flow in response to load conditions to maintain steady cooling performance within the unit.

• Designed for dependability, real OEM valves, solenoids and fittings keep equipment moving efficiently to reduce downtime and support stronger productivity
• Fits Popular Models: WSC102HWRNA27C0B0000600060000D0000000000, WSC102H4R0B2E0000000000000000D0000000000, WSC102H4R0A04K700000000000000D0000000000
• Product Type: Expansion Valve/TXV
• Refrigerant: R410A
• Capacity: 9 Ton

Common Questions and Answers

What is the function of the Trane VAL18911 Expansion Valve/TXV within the equipment?

The expansion valve/TXV controls the flow of refrigerant into the evaporator so the heat pump system can maintain proper pressure, temperature and cooling performance. Its R410A-specific design and 9-ton capacity matter because accurate metering supports efficient heat transfer, protects major components and keeps the HVAC equipment operating as intended.

What potential problems suggest that the Trane VAL18911 Expansion Valve/TXV may need replacement?

The expansion valve/TXV may need to be replaced if the heat pump shows poor cooling or heating performance, unstable suction pressure, coil icing or short cycling that can point to improper refrigerant metering. You might notice physical signs such as leaks, corrosion or contamination around the valve and environmental signs may include abnormal frost patterns or operating conditions that could indicate the part is starting to fail.