Lennox 52W75 - (100679-29) Expansion Valve (R410A) – Precision Refrigerant Control for Optimal System Performance
The Lennox 52W75 (OEM Part #100679-29) Expansion Valve is a high-performance thermostatic expansion valve (TXV) designed for use in HVAC systems utilizing R-410A refrigerant. Engineered for compatibility with Lennox units, this valve precisely meters refrigerant into the evaporator coil, ensuring efficient heat exchange and reliable temperature regulation in cooling systems.
Key Features:
- Refrigerant Compatibility: Designed for use with R-410A systems, supporting modern high-efficiency HVAC applications.
- Precision Metering: Ensures optimal refrigerant flow based on system demand and temperature conditions, promoting stable operation and reduced compressor cycling.
- OEM Replacement: Genuine Lennox replacement part ensures direct-fit compatibility, long-term reliability, and preservation of warranty standards.
- Durable Construction: Built with corrosion-resistant materials and factory-tested for dependable performance in demanding environments.
- Application: Commonly used in residential and light commercial Lennox systems requiring accurate refrigerant flow control.
Specifications:
- Part Number: 52W75
- Lennox Catalog Number: 100679-29
- Component Type: Thermostatic Expansion Valve (TXV)
- Refrigerant Type: R-410A
- System Use: Cooling mode (metering refrigerant into evaporator coil)
Why Choose the 52W75 Expansion Valve?
The Lennox 52W75 TXV helps optimize energy efficiency and indoor comfort by stabilizing evaporator performance, especially under variable load conditions. Its precise control helps prevent refrigerant flooding or starving, extending equipment life and maintaining consistent cooling output.
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