Ensure optimal system performance with the Lennox 28U43 Expansion Valve (Part No. 107673-35), engineered for high-efficiency HVAC systems utilizing R454B refrigerant. Designed to regulate refrigerant flow precisely, this thermostatic expansion valve (TXV) supports cooling capacities up to 8.5 tons, making it ideal for large commercial and residential applications.Key Features:
- Refrigerant Compatibility: R454B – eco-friendly and low-GWP
- Cooling Capacity: 8.5 tons
- Function: Accurately meters refrigerant into the evaporator coil for improved efficiency and system reliability
- OEM Part: Genuine Lennox replacement ensures proper fit and function
