Description
The Trane VAL19291 is an OEM thermostatic expansion valve (TXV) engineered specifically for R410A refrigerant systems rated at 3 tons of cooling capacity. Designed to deliver precise refrigerant metering, this TXV maintains optimal evaporator performance by continuously modulating refrigerant flow in response to changing load conditions — helping your system run at peak efficiency while protecting the compressor from liquid slugging and flood-back.
Key Features
- OEM Trane replacement TXV for assured fit and compatibility
- Rated for R410A refrigerant — the industry-standard HFC refrigerant for residential and light commercial systems
- 3-ton (36,000 BTU/hr) capacity rating for matched system performance
- Thermostatic sensing bulb and equalizer tube for accurate superheat control
- Helps protect the compressor by preventing refrigerant flood-back
- Supports consistent evaporator efficiency across varying load conditions
- Direct OEM replacement minimizes installation time and callbacks
Application
The VAL19291 is intended as a direct OEM replacement for Trane and American Standard split-system air conditioners and heat pumps using R410A refrigerant at the 3-ton capacity range. Always verify compatibility with the original equipment model number before installation.
Why Choose an OEM TXV?
Aftermarket expansion valves may not match the factory-calibrated superheat settings of your Trane system. Using a genuine Trane TXV ensures the valve opens and closes at the exact pressure and temperature differentials the system was designed for, preserving manufacturer warranties and delivering reliable, long-term performance.
Specifications
- SKU / Part Number: VAL19291
- Brand: Trane
- Refrigerant Type: R410A
- Capacity: 3 Ton (36,000 BTU/hr)
- Valve Type: Thermostatic Expansion Valve (TXV)







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