Description
The Nordyne 664346R is an OEM thermostatic expansion valve (TXV) with integrated equalizer check designed for R-410A refrigerant systems rated at 4.0 tons. Engineered as a direct replacement for compatible Nordyne equipment, this valve precisely meters refrigerant flow into the evaporator coil to maintain optimal system efficiency and protect the compressor from liquid slugging.
Key Features
- OEM Nordyne replacement TXV for assured fit and compatibility
- Designed for R-410A refrigerant — no cross-contamination concerns
- 4.0-ton capacity rating for proper system sizing
- Integrated equalizer check (EQ CK) function for balanced refrigerant distribution
- Precision-engineered valve body for consistent superheat control
- Helps protect the compressor by preventing liquid refrigerant flood-back
- Direct drop-in replacement minimizes installation time
Application
This TXV is intended for use in Nordyne-brand residential and light-commercial split systems and air handlers that use R-410A refrigerant at a 4.0-ton load. Always verify the equipment model number against the Nordyne parts cross-reference before installation.
Why Replace Your TXV?
- Restores proper superheat control and system efficiency
- Eliminates symptoms such as icing on the evaporator coil or high superheat readings
- Extends compressor life by ensuring correct refrigerant metering
- Maintains manufacturer warranty compliance with OEM parts
Specifications
- SKU: 664346R
- Brand: Nordyne
- Refrigerant: R-410A
- Capacity: 4.0 Ton
- Valve Type: Thermostatic Expansion Valve (TXV) with Equalizer Check
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