Description
Trane VAL10589 R-410A Thermostatic Expansion Valve Overview
The Trane VAL10589 is a 4-ton thermostatic expansion valve (TXV) engineered specifically for R-410A refrigerant systems. Designed to deliver precise refrigerant metering, this valve maintains optimal evaporator superheat across a wide range of operating conditions — helping your system run at peak efficiency and protecting the compressor from liquid slugging.
Key Features
- Rated for 4-ton system capacity
- Compatible with R-410A refrigerant
- 3/8″ liquid line connection for reliable high-side interface
- 1/2″ suction line connection for proper low-side integration
- Thermostatic expansion valve design for accurate superheat control
- Genuine Trane OEM replacement part (SKU: VAL10589)
- Engineered for consistent performance in residential and light commercial HVAC applications
Why Choose a TXV?
A thermostatic expansion valve actively responds to system load changes, modulating refrigerant flow to maintain consistent superheat at the evaporator outlet. Compared to fixed orifice metering devices, a TXV improves system efficiency, reduces compressor wear, and ensures stable operation across varying ambient and load conditions.
Application
- Designed for use in Trane split-system air conditioners and heat pumps
- Suitable for R-410A residential and light commercial systems
- Ideal for service replacement or new installation in 4-ton configurations
Specifications
- SKU: VAL10589
- Brand: Trane
- Capacity: 4 Ton
- Refrigerant: R-410A
- Liquid Line Connection: 3/8″
- Suction Line Connection: 1/2″
- Valve Type: Thermostatic Expansion Valve (TXV)







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