Carrier EA02HB520 TXV Valve

The Carrier EA02HB520 TXV Valve is a Factory Authorized Parts thermostatic expansion valve designed for precise refrigerant metering in high-efficiency cooling systems. Engineered specifically for R-22 applications, this mechanical expansion valve regulates flow by monitorng suction line temperature and pressure via a factory-calibrated sensing bulb. As a critical component in the refrigeration circuit, the EA02HB520 ensures optimal evaporator coil utilization, preventing liquid slugging and maintaining stable superheat across varying thermal loads. This OEM Carrier replacement part is built with bi-metal composition for durability and features a design that integrates seamlessly with existing Carrier, Bryant, and Payne air handlers and rooftop units.

Key Benefits for Technicians:

• Precision Superheat Control: Maintains consistent refrigerant flow to maximize system efficiency and protect the compressor.
• OEM Compatibility: Guaranteed fit for specific Carrier and Bryant models, eliminating the need for field modifications or generic retrofits.
• Durability: Constructed from high-quality bi-metal materials to withstand the rigorous operating pressures of HVACR systems.
• Stable Performance: Responds accurately to transient load changes, ensuring the evaporator operates at peak performance without hunting.

Common Questions & Technical Support:

Is the EA02HB520 compatible with R-410A systems?
No, this specific TXV valve is calibrated and designed for use with R-22 refrigerant only. Using it with R-410A will lead to incorrect metering and potential system failure.

How do I verify if this valve fits my specific air handler?
Contractors should verify the part number against the unit’s data plate. Common applications include older Carrier rooftop units and split systems requiring Factory Authorized Parts for precise restoration of factory specs.

Does this valve include the sensing bulb and capillary tube?
Yes, the Carrier EA02HB520 is a complete thermal expansion assembly featuring a factory-charged sensing bulb for immediate installation into the refrigeration circuit.

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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.