Description
The Trane VAL12354 is an OEM thermostatic expansion valve (TXV) engineered for 3-ton R-410A refrigeration systems. Featuring a 10-inch capillary tube and Flowrater design, this valve delivers precise refrigerant metering to maintain optimal system efficiency, protect the compressor, and ensure consistent cooling performance across a wide range of operating conditions.
Key Features
- OEM Trane replacement TXV for reliable, factory-spec performance
- Designed for 3-ton R-410A refrigerant systems
- Flowrater design for accurate, stable refrigerant metering
- 10-inch capillary tube for flexible installation positioning
- Helps protect the compressor from liquid slugging and overfeeding
- Maintains proper superheat levels for peak system efficiency
- Direct OEM replacement — no modifications required
Product Specifications
- Brand: Trane
- Part Number: VAL12354
- Refrigerant: R-410A
- Capacity: 3 Ton
- Valve Type: Thermostatic Expansion Valve (TXV) / Flowrater
- Capillary Tube Length: 10 inches
Application
The Trane VAL12354 TXV is ideal for use in residential and light commercial split-system air conditioners and heat pumps using R-410A refrigerant. It is a direct OEM replacement part, ensuring compatibility and performance consistent with original Trane equipment specifications. Proper TXV function is critical to maintaining system efficiency, preventing evaporator flooding, and extending compressor life.







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