Description
The Trane VAL8594 is a genuine OEM thermostatic expansion valve (TXV) engineered for reliable refrigerant metering in R-410A cooling systems. Designed for 3-ton capacity applications, this valve delivers precise superheat control to maximize system efficiency and protect the compressor from liquid slugging.
Key Features
- Genuine Trane OEM replacement TXV for assured fit and performance
- Rated for R-410A refrigerant — the industry-standard HFC refrigerant for modern residential and light commercial systems
- 3-ton capacity rating for accurate sizing in matched system applications
- 5/16″ inlet x 1/2″ outlet connections for straightforward installation
- 80.8# thermostatic charge for consistent, stable superheat regulation across a wide range of operating conditions
- Maintains optimal evaporator performance by continuously modulating refrigerant flow in response to load changes
Specifications
- Part Number: VAL8594
- Brand: Trane
- Refrigerant: R-410A
- Capacity: 3 Ton
- Inlet Connection: 5/16″
- Outlet Connection: 1/2″
- Charge Weight: 80.8#
Application
The VAL8594 is intended as a direct OEM replacement in Trane residential and light commercial split systems utilizing R-410A refrigerant. Always verify the original equipment model number and system capacity before installation. Proper TXV selection and installation are critical to system efficiency, reliability, and longevity.







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