Armstrong Furnace H4TXV03 Thermal Expansion Valve
700 Nicholas BLVD Suite 105 Elk Grove Village IL 60007
Chicago IL 60007
The Armstrong Furnace H4TXV03 Thermal Expansion Valve (TXV) is an HVAC component designed to regulate the flow of R-410A refrigerant in air conditioning and heat pump systems. It works by automatically adjusting refrigerant delivery to the evaporator coil based on cooling demand, ensuring efficient heat absorption and optimal system performance. Commonly used with compatible evaporator coils, air handlers, and split-system HVAC equipment, this TXV helps improve energy efficiency, maintain consistent temperature control, enhance refrigerant management, reduce system strain, and support reliable indoor comfort.