Description
The Lennox 52W74 is an OEM thermostatic expansion valve (TXV) engineered specifically for R410A refrigerant systems. Designed as a direct replacement for compatible Lennox equipment, this TXV precisely meters refrigerant flow into the evaporator coil, maintaining optimal superheat levels and protecting the compressor from liquid slugging.
Key Features
- Designed for use with R410A (Puron) refrigerant
- OEM Lennox replacement part — SKU 52W74
- Precisely controls refrigerant flow for optimal evaporator performance
- Helps maintain correct superheat, protecting system components
- Supports system efficiency and reliable long-term operation
- Direct drop-in replacement for compatible Lennox systems
Why Replace Your TXV?
A faulty thermostatic expansion valve can cause a wide range of system problems, including poor cooling performance, high superheat, compressor damage, and inefficient operation. Replacing a worn or failed TXV with the correct OEM Lennox part ensures your system returns to factory-specified performance quickly and reliably.
Application
- Compatible with select Lennox residential and light commercial air conditioning and heat pump systems
- Intended for R410A refrigerant circuits
Important Note
Always verify compatibility with your specific Lennox equipment model before installation. Consult the equipment service manual or contact a qualified HVAC technician for proper installation and refrigerant handling in accordance with local codes and EPA regulations.
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