Description
Trane VAL21191 TXV with 30″ Capillary Tube
The Trane VAL21191 is a genuine OEM Thermostatic Expansion Valve (TXV) featuring a 30-inch capillary tube, engineered to provide accurate refrigerant flow control in Trane cooling and heat pump systems. By precisely metering refrigerant into the evaporator coil, this TXV helps maintain optimal superheat levels, protecting the compressor and maximizing system efficiency.
Key Features
- Genuine Trane OEM replacement TXV — ensures exact fit and performance
- 30-inch capillary tube for flexible bulb placement and routing
- Precise refrigerant metering maintains consistent superheat control
- Helps protect the compressor from liquid slugging
- Supports efficient system operation and extended equipment life
- Designed for compatibility with select Trane residential and light commercial HVAC systems
Why Choose a Genuine Trane TXV?
Using a genuine Trane OEM expansion valve ensures your system operates within factory-specified parameters. Aftermarket substitutes may not deliver the same metering accuracy, potentially leading to reduced efficiency, compressor damage, or voided warranties. The VAL21191 is built to Trane’s exacting standards for long-term reliability.
Application
- Replacement TXV for compatible Trane air conditioning and heat pump systems
- Consult your Trane equipment documentation or a qualified HVAC technician to confirm compatibility before installation







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