Description
The Trane VAL11544 3-Ton Thermal Expansion Valve (TXV) regulates refrigerant flow into the evaporator by adjusting based on superheat conditions, ensuring efficient heat absorption and system balance. It operates through a sensing bulb and internal diaphragm that modulates valve opening in response to temperature and pressure changes. Installed within HVAC systems, it is positioned at the evaporator inlet to maintain proper refrigerant distribution during cooling cycles. This valve optimizes cooling output, improves energy efficiency, and protects the compressor by preventing liquid return under varying load conditions.









