Description
The Nordyne 669578R is an OEM replacement Thermostatic Expansion Valve (TXV) engineered for 5-ton R410A refrigerant systems. Designed to deliver precise refrigerant metering, this TXV maintains optimal evaporator superheat across a wide range of operating conditions, helping to protect the compressor and maximize system efficiency.
Key Features
- OEM replacement TXV for Nordyne equipment
- Rated for 5-ton system capacity
- Compatible with R410A refrigerant
- Provides accurate superheat control for improved system efficiency
- Helps protect the compressor from liquid slugging
- Direct OEM fit for simplified installation
Why Choose the Nordyne 669578R?
A properly functioning TXV is critical to the efficiency and longevity of any split or packaged HVAC system. The Nordyne 669578R is manufactured to OEM specifications, ensuring a reliable, drop-in replacement that restores your system to factory performance. Its compatibility with R410A refrigerant makes it well-suited for modern residential and light commercial applications.
Application
- Designed for use with Nordyne-brand HVAC systems
- Suitable for residential and light commercial cooling applications
- Intended for use with R410A refrigerant systems at 5-ton capacity
Specifications
- SKU: 669578R
- Brand: Nordyne
- Refrigerant Type: R410A
- System Capacity: 5 Ton
- Valve Type: Thermostatic Expansion Valve (TXV)







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