Carrier EA660004 TXV Valve

When you're out in the field dealing with hunting issues or poor superheat control, the Carrier EA660004 TXV Valve is the specific OEM replacement thermal expansion valve required to restore factory-spec refrigerant metering. This thermostatic expansion valve (TXV) is engineered for R-410A refrigeration systems and high-efficiency HVAC equipment, utilizing a bi-metallic power element to adjust refrigerant flow based on evaporator load. Designed for durability in demanding environments, it maintains a precise 600 psi pressure rating and operates reliably across a wide -40°F to 125°F temperature range. Replacing a fouled or stuck valve with this genuine Carrier HVAC part ensures the evaporator remains properly flooded without risking liquid slugging to the compressor. The kit typically includes the necessary insulation and mounting hardware to ensure a clean, professional install on Carrier, Bryant, and Payne residential or commercial units.

• Ensures accurate superheat maintenance to protect compressor longevity.
• Compatible with R-410A, R-407C, and R-134a refrigerants for versatile application.
• Includes integrated insulation to prevent sweating and external corrosion.
• Factory-calibrated to optimize refrigerant flow control and system SEER ratings.
• Direct OEM fitment for popular models including 50HC, 48HC, and 581J series.

Is this a universal TXV?
No, the Carrier EA660004 is a specific OEM thermal expansion valve. While it supports multiple refrigerants, the tonnage and orifice sizing are calibrated for specific Carrier, Bryant, and Payne equipment.

Does this valve require brazing?
Yes, this component features ODF/ODM solder connections. It is standard practice for a licensed technician to use a wet rag or heat block on the valve body during the brazing process to prevent internal component damage.

How do I confirm this is the right part for my unit?
Verify your equipment's model and serial number. This TXV valve is the direct substitute for several legacy parts found in 6-ton to 10-ton commercial packages and split systems.

This item is not eligible for free shipping.

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.