Description
The Lennox 12J35 is a factory-specified expansion valve (TXV/EXV) engineered for use with Lennox NXT indoor air handler and fan coil systems in the 3 to 3.5 ton capacity range. Designed as a direct OEM replacement, this valve ensures precise refrigerant metering to maintain optimal system superheat, protect the compressor, and deliver consistent cooling performance throughout the operating season.
Key Features
- OEM Lennox replacement expansion valve for NXT indoor units
- Sized for 3 to 3.5 ton system applications
- Maintains accurate superheat control for efficient refrigerant flow
- Direct drop-in replacement — no modifications required
- Helps protect the compressor from liquid floodback
- Supports peak system efficiency and comfort performance
Application
The 12J35 is intended for use in residential and light commercial split-system air conditioning and heat pump applications utilizing Lennox NXT series indoor equipment. Always verify compatibility with the specific unit model before installation.
Why Choose an OEM Expansion Valve?
Using a genuine Lennox OEM expansion valve ensures the refrigerant circuit operates within factory-designed parameters. An improperly sized or aftermarket valve can lead to reduced efficiency, compressor damage, or system failure. The 12J35 is the correct factory solution for maintaining the integrity of your Lennox NXT system.
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