Ensure optimal system performance with the Lennox 28C89 (part number 107673-02) Expansion Valve, designed specifically for high-efficiency HVAC applications using R-454B refrigerant. Engineered to provide precise refrigerant flow regulation, this thermostatic expansion valve supports systems with a 7-ton cooling capacity, ensuring consistent superheat control and enhanced energy efficiency.Key Features:
- Compatible Refrigerant: R-454B (low-GWP alternative)
- Tonnage: 7 Tons
- Function: Regulates refrigerant flow into the evaporator coil for stable cooling performance
- Application: Ideal for Lennox commercial and residential units using R-454B
