Description
Upgrade and optimize your Trane HVAC system’s cooling performance with this OEM-grade thermal expansion valve engineered for precise refrigerant control in variable-capacity units. The VAL12789 is designed to regulate refrigerant flow from the condenser into the evaporator coil, maintaining optimal pressure and temperature for efficient heat absorption and consistent cooling performance.
Key Features
- Genuine Trane OEM Part: Ensures proper fit, durability, and performance in compatible Trane and matched systems.
- 6-Ton Capacity: Ideal for larger residential or light commercial HVAC units requiring a 6-ton cooling performance range.
- 79 PSIG Outlet Pressure: Precisely matched outlet pressure rating supports balanced refrigerant flow and efficient coil performance.
- Thermostatic Expansion Valve (TXV) Design: Automatically modulates refrigerant flow based on evaporator load, enhancing cooling efficiency and system responsiveness.
- R-410A Compatible: Designed for modern refrigerant systems, helping maintain proper system pressure and performance.






