Carrier EA02XC444 Expansion Valve

The Carrier EA02XC444 Expansion Valve is a critical OEM replacement part engineered for precise refrigerant metering in specialized R-22 cooling systems. As a genuine Thermostatic Expansion Valve (TXV), this component leverages a bi-metal composition to maintain a constant superheat at the evaporator outlet, effectively protecting the compressor from liquid slugging while maximizing heat transfer efficiency. Designed specifically for compatibility with residential air conditioning and fan coil units, including select 40RE and 517AYX models, the EA02XC444 ensures the indoor coil operates at peak capacity under fluctuating thermal loads.

For service technicians, this HVAC expansion valve features an external equalizer to compensate for pressure drops across high-efficiency coils. At a lightweight 1.41 lbs, it is built for direct-fit installation, reducing labor time during R-22 TXV replacement. By regulating the refrigerant flow control with factory-calibrated accuracy, this valve prevents common system imbalances that lead to unsettled cooling output or premature equipment fatigue. Using Carrier EA02XC444 factory-authorized parts ensures the system maintains its original engineering specifications and operational integrity.

• Precision Metering: Maintains exact superheat levels to prevent compressor flooding and maximize evaporator efficiency.
• System Compatibility: Explicitly designed for R-22 refrigerant applications in Carrier, Bryant, and Payne equipment.
• Durable Construction: Features a robust bi-metal body designed to withstand high-pressure environments and thermal cycling.
• External Equalization: Integrated equalizer tube accurately senses coil outlet pressure, critical for systems with significant pressure drops.
• OEM Reliability: Genuine Carrier replacement part ensures exact fitment and restores original factory performance.

• What are the symptoms of a failing TXV in an R-22 system? Technicians often look for low suction pressure, high superheat, or frost on the expansion valve, indicating a restriction or a lost sensing bulb charge.
• Can the EA02XC444 be used with R-410A systems? No, this valve is specifically calibrated for the pressure-temperature characteristics of R-22. Using it with R-410A will result in improper metering and potential system damage.
• Does this valve include a bleed port? As a standard hard-shutoff TXV, it is designed for tight seating during the off-cycle, though technicians should verify specific system requirements for pressure equalization.

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Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.