Description
The Goodman 0151R00049S is a factory-specified thermostatic expansion valve (TXV) engineered for use with Goodman 3-ton R-410A air conditioning and heat pump systems. Designed as a direct OEM replacement, this valve ensures your system maintains the precise refrigerant metering required for optimal efficiency, consistent cooling performance, and long equipment life.
What Is a TXV?
A thermostatic expansion valve regulates the flow of liquid refrigerant into the evaporator coil by responding to suction line temperature and pressure. Proper TXV operation prevents refrigerant flooding or starving of the evaporator, protecting the compressor and maintaining rated system efficiency (SEER). Replacing a faulty or undersized TXV with the correct OEM part is critical to restoring full system performance.
Key Features
- OEM Goodman replacement TXV — ensures exact fit and function
- Rated for 3-ton system capacity
- Compatible with R-410A refrigerant
- Maintains precise refrigerant metering for consistent evaporator performance
- Helps protect the compressor from liquid slugging and refrigerant flooding
- Supports rated system SEER efficiency when properly installed
- Designed for straightforward installation in compatible Goodman and Amana-Goodman equipment
Application
- Goodman 3-ton R-410A split-system air conditioners and heat pumps
- Compatible Amana-Goodman platform equipment — verify model compatibility before ordering
Why Choose an OEM TXV?
Aftermarket valves may not match the factory-calibrated superheat settings required by your specific Goodman system. The 0151R00049S is built to Goodman’s original specifications, giving technicians confidence in a repair that restores equipment to factory performance standards. Always verify compatibility with the equipment model number prior to installation.







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