Carrier EA36UZ090 TXV Valve

The Carrier EA36UZ090 Thermal Expansion Valve (TXV) is a critical metering component designed for high-efficiency refrigerant flow regulation in specific Carrier, Bryant, and Payne evaporator coils. Engineered as a bolt-on TXV replacement, this valve ensures precise superheat control across varying heat loads, preventing liquid slugging and protecting the compressor. It features a high-grade brass body construction with an external equalizer line, optimized for R-410A refrigerant systems. Technical specifications include a mechanical pressure sensing bulb designed for accurate suction line temperature feedback, facilitating optimal evaporator saturation levels. For field technicians, the EA36UZ090 provides a reliable solution for restoring system efficiency and maintaining the designated SEER2 ratings of high-performance split systems and heat pumps. Proper installation requires verifying the existing manifold configuration to ensure seamless mechanical fitting compatibility during replacement.

Key Technical Benefits:

• Precision Refrigerant Metering: Maintains consistent superheat to maximize heat transfer efficiency in R-410A HVAC systems.
• Durable Construction: Heavy-duty brass body and stainless steel internal components resist corrosion and withstand high-pressure environments.
• Direct Fitment: Designed as a direct OEM replacement valve for specific Carrier residential and light commercial evaporator coils.
• System Protection: Rapid response to load changes prevents evaporator flood-back, extending the service life of the HVAC compressor.
• Optimized Performance: Field-proven design facilitates stable operation under extreme ambient temperature conditions.

Common Technical Questions:

What are the symptoms of a failing EA36UZ090 TXV?
Technicians often observe low suction pressure, high superheat at the evaporator outlet, or frost formation on the expansion valve body, indicating a restricted orifice or lost power element charge.

Is the EA36UZ090 compatible with R-22 systems?
No, this specific model is factory-calibrated for the pressure-temperature characteristics of R-410A systems. Using it with R-22 will result in improper metering and potential system damage.

Does this valve require brazing for installation?
The Carrier EA36UZ090 is typically a bolt-on design featuring mechanical threads for easier field replacement, though technicians must always verify the specific manifold connection type on the existing coil.

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.