Ensure optimal refrigerant control and system efficiency with the Lennox 42W38 Expansion Valve, part number 100679-25. Specifically engineered for R-410A refrigerant systems, this precision thermal expansion valve regulates refrigerant flow into the evaporator coil based on cooling demand and superheat levels, improving performance and energy efficiency.Crafted with durable, corrosion-resistant materials, the 42W38 valve ensures long-lasting reliability under high-pressure conditions. It is a direct-fit component compatible with a range of Lennox HVAC units, making it ideal for both new installations and OEM-quality replacements.Key Features:
- Part Number: 42W38 / 100679-25
- Refrigerant Type: R-410A
- Application: Thermal expansion valve for enhanced refrigerant metering
- Ensures efficient cooling performance and compressor protection
- OEM-approved for Lennox systems
