Description
The Trane VAL8579 Flo Rater Thermal Expansion Valve (TXV) is a genuine OEM HVAC component engineered to precisely regulate refrigerant flow in air conditioning and heat pump systems with cooling capacities from 1.5 to 3 tons using R 22 refrigerant. This thermostatic expansion valve helps maintain stable evaporator superheat and system efficiency by modulating how much refrigerant enters the evaporator coil, which improves cooling performance and overall energy use.
Key Features
- OEM Quality Construction — Built to Trane’s original equipment standards for reliable performance and long lasting durability.
- Precise Refrigerant Control — Thermostatic expansion design modulates refrigerant flow based on cooling load for consistent comfort and efficiency.
- 1.5–3 Ton Capacity — Optimized for mid range residential and light commercial AC and heat pump systems.
- 30 Inch Capillary Tube — Provides flexible mounting and placement during installation.
- R 22 Refrigerant Compatibility — Designed specifically for systems that use R 22, matching original equipment performance.
- Direct Replacement Part — Fits compatible systems without modification and maintains proper system balance.






