Description
Product Overview
The Nordyne 669567R is an OEM thermostatic expansion valve (TXV) engineered for 3.5-ton HVAC systems operating on R410A refrigerant. Designed as a direct replacement for compatible Nordyne equipment, this valve delivers precise refrigerant metering to maintain optimal evaporator performance, system efficiency, and consistent cooling capacity.
Key Features
- OEM Nordyne replacement TXV valve
- Rated for 3.5-ton system capacity
- Compatible with R410A refrigerant
- Provides accurate refrigerant flow control for maximum system efficiency
- Direct drop-in replacement for compatible Nordyne systems
- Helps maintain proper superheat and system balance
Application
This TXV valve is intended for use in residential and light commercial split-system air conditioning and heat pump applications using Nordyne equipment. Proper TXV operation is critical to maintaining correct superheat levels, protecting the compressor, and ensuring peak energy efficiency throughout the cooling season.
Installation Notes
Installation should be performed by a licensed HVAC technician. Always recover refrigerant per EPA regulations before replacing the TXV. Verify system compatibility with Nordyne documentation prior to installation.







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