Description
The Nordyne 669552R is a factory-specified thermostatic expansion valve (TXV) engineered as a direct OEM replacement for compatible Nordyne heating and cooling systems. Designed for use with R-22 refrigerant at a 2.5-ton capacity, this TXV delivers accurate refrigerant metering to maintain optimal system efficiency, protect the compressor from liquid slugging, and ensure consistent cooling performance.
Product Overview
Thermostatic expansion valves are a critical component in any refrigeration or air conditioning system. By precisely regulating the flow of refrigerant into the evaporator coil based on superheat, the TXV maximizes heat transfer efficiency and prevents costly compressor damage. The Nordyne 669552R is built to OEM specifications, making it the ideal choice for service technicians performing warranty or out-of-warranty repairs on Nordyne-branded equipment.
Key Features
- OEM replacement TXV valve for compatible Nordyne systems
- Designed for R-22 refrigerant applications
- Rated for 2.5-ton system capacity
- Precise superheat regulation for optimized evaporator performance
- Protects compressor from liquid refrigerant slugging
- Direct-fit replacement for simplified installation
- Built to Nordyne OEM specifications for reliable, long-lasting performance
Application
- Compatible with Nordyne-branded HVAC equipment requiring R-22 refrigerant
- Suitable for residential and light commercial split-system air conditioners and heat pumps
- Ideal for service and maintenance technicians performing TXV replacements
Why Choose an OEM TXV?
Using a genuine OEM thermostatic expansion valve ensures proper fit, correct superheat settings, and full compatibility with your existing system controls. Aftermarket substitutes may not match the precise flow characteristics required by Nordyne equipment, potentially leading to reduced efficiency or premature component failure. The Nordyne 669552R eliminates guesswork and delivers the performance your system was designed for.







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