Ensure optimal performance and efficiency with the Lennox 28U21 (part number 107673-26) Expansion Valve, designed specifically for 7-ton HVAC systems using eco-friendly R454B refrigerant. This precision-engineered thermal expansion valve regulates refrigerant flow to maximize system efficiency, improve cooling performance, and maintain consistent temperature control. Built to meet Lennox’s rigorous quality standards, it ensures compatibility and reliable operation in approved Lennox units.Key Features:
- Compatible with R454B refrigerant
- Designed for 7-ton HVAC systems
- Provides accurate refrigerant metering for enhanced efficiency
- OEM replacement part ensures proper fit and function
