Armstrong H2TXV02 R22 Thermal Expansion Valve TXV Kit for 3.5-5 Ton Heat Pumps

The Armstrong H2TXV02 is a genuine OEM thermal expansion valve (TXV) kit designed for residential and light commercial HVAC heat pump systems. This precision metering device regulates refrigerant flow into the evaporator coil, maintaining optimal system performance and efficiency in R22 air conditioning and heat pump applications.

Key Features:

• R22 refrigerant compatibility for legacy HVAC systems
• Designed for 3.5 to 5 ton heat pump units
• OEM replacement part manufactured by Allied Air Enterprises
• Complete TXV kit includes valve and necessary components
• Ensures proper superheat control and system efficiency
• Direct replacement for Armstrong Air and Air Ease brand units

This expansion valve is engineered to precise specifications to maintain proper refrigerant metering under varying load conditions. The thermostatic expansion valve automatically adjusts refrigerant flow based on evaporator outlet temperature and pressure, ensuring optimal cooling performance while preventing compressor damage from liquid refrigerant flooding. Professional installation by a certified HVAC technician is required for proper system operation and warranty compliance.