Description
The Trane VAL8080 is a factory-specified thermostatic expansion valve (TXV) engineered for reliable refrigerant metering in R-22 residential and light-commercial cooling systems. Designed for 2-ton capacity applications, this valve precisely regulates refrigerant flow into the evaporator coil, maintaining optimal superheat levels and protecting the compressor from liquid slugging.
Product Overview
As a direct OEM replacement from Trane, the VAL8080 ensures a drop-in fit for compatible systems, eliminating the guesswork of aftermarket sourcing. Proper TXV function is critical to system efficiency — a failing or undersized expansion valve can lead to poor cooling performance, elevated energy consumption, and premature compressor failure.
Key Specifications
- Brand: Trane
- Part Number: VAL8080
- Refrigerant: R-22
- Capacity: 2 Ton
- Inlet / Outlet Connection Size: 3/8″ x 3/8″
- Valve Type: Thermostatic Expansion Valve (TXV)
Features & Benefits
- OEM Trane replacement part for assured compatibility and fit
- Precisely meters refrigerant flow to maintain correct superheat at the evaporator
- Protects the compressor by preventing liquid refrigerant carryover
- 3/8″ x 3/8″ connections suit standard R-22 system line configurations
- Supports peak system efficiency and extended equipment life
- Ideal for 2-ton R-22 split-system air conditioners and heat pumps
Application
The VAL8080 is intended for use in Trane R-22 split-system air conditioning and heat pump applications rated at 2 tons. Always verify compatibility with the specific equipment model before installation. Installation should be performed by a licensed HVAC technician in accordance with all applicable codes and manufacturer guidelines.







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