Description
The Trane VAL9591 is a factory-engineered Thermostatic Expansion Valve (TXV) designed for use in R410A refrigerant systems rated at 4 tons of cooling capacity. Featuring 3/8″ inlet and 1/2″ outlet connections, this valve delivers precise refrigerant metering to maintain optimal evaporator superheat, protecting the compressor and maximizing system efficiency.
As a genuine Trane OEM replacement component, the VAL9591 is built to exact factory specifications, ensuring a direct-fit installation and reliable long-term performance in compatible Trane air conditioning and heat pump systems.
Key Features
- Genuine Trane OEM thermostatic expansion valve
- Designed for R410A refrigerant systems
- 4-ton cooling capacity rating
- 3/8″ inlet x 1/2″ outlet connection sizes
- Provides precise refrigerant metering for optimal evaporator superheat control
- Protects compressor from liquid slugging
- Direct OEM replacement for compatible Trane systems
Specifications
- Part Number: VAL9591
- Refrigerant Type: R410A
- System Capacity: 4 Ton
- Inlet Connection: 3/8″
- Outlet Connection: 1/2″
- Valve Type: Thermostatic Expansion Valve (TXV)
- Brand: Trane
Application
The VAL9591 is intended for use in Trane residential and light commercial split-system air conditioners and heat pumps utilizing R410A refrigerant. Always verify compatibility with your specific equipment model before installation. Proper TXV selection and installation are critical for system efficiency, comfort, and equipment longevity.
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