Description
Lennox 14K64 Thermostatic Expansion Valve Overview
The Lennox 14K64 is a factory-engineered thermostatic expansion valve (TXV) designed for reliable refrigerant metering in large-capacity commercial and residential HVAC systems. Rated for 11 tons of cooling capacity and compatible with R-22 refrigerant, this valve delivers precise superheat control to maximize system efficiency and protect the compressor from liquid slugging.
Key Features
- 11-ton cooling capacity rating for large-scale HVAC applications
- Compatible with R-22 refrigerant
- 5/8″ ODF inlet connection for seamless integration into the liquid line
- 1-1/8″ ODF outlet connection for direct evaporator coil hookup
- Thermostatic sensing element provides accurate superheat regulation
- Genuine Lennox OEM replacement part — engineered to factory specifications
- Helps maintain optimal evaporator performance and system efficiency
Specifications
- SKU / Part Number: 14K64
- Brand: Lennox
- Refrigerant Type: R-22
- Capacity: 11 Ton
- Inlet Connection: 5/8″ ODF
- Outlet Connection: 1-1/8″ ODF
- Valve Type: Thermostatic Expansion Valve (TXV)
Application
The Lennox 14K64 TXV is the correct OEM replacement for Lennox commercial split systems and packaged units utilizing R-22 refrigerant at the 11-ton capacity range. Proper TXV function ensures the evaporator coil operates at peak efficiency by metering the precise amount of refrigerant needed under varying load conditions, reducing energy waste and extending equipment life.
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