Carrier 332368-754 TXV Valve

The Carrier 332368-754 TXV Valve is a Factory Authorized Parts™ thermostatic expansion valve designed for precise refrigerant metering in high-efficiency cooling systems. Engineered specifically for R410A refrigerant, this direct OEM replacement ensures your evaporator coil maintains the correct superheat, protecting the compressor from liquid slugging while maximizing heat transfer. This valve is the specified successor for legacy part numbers EA36YD132 and 1172349, commonly found in Carrier, Bryant, and Payne fan coils and evaporator units. Featuring a 3/8-inch inlet and external equalization, the 332368-754 provides the reliability required to restore system balance and prevent common failure modes like starving or hunting.

Key Benefits:

• Direct Compatibility: Drop-in replacement for EA36YD132 and 1172349, eliminating field-fit issues with mounting and connections.
• Optimized Efficiency: Maintains precise flow control to ensure the system operates at its rated SEER/HSPF levels.
• Compressor Protection: Regulates R410A flow to prevent refrigerant floodback, extending the life of the scroll or reciprocating compressor.
• OEM Reliability: Built to original Carrier specifications, ensuring consistent performance across a wide range of ambient operating conditions.
• Balanced Pressure: External equalization allows for accurate metering device response, even in systems with significant pressure drops across the distributor.

Common Questions:

What are the symptoms of a failing TXV on a Carrier unit?
A restricted or "stuck closed" 332368-754 typically results in high superheat and low suction pressure, leading to a starved evaporator coil. Conversely, a valve stuck open will cause flooding, low superheat, and potential compressor damage. Check for frost at the valve outlet or erratic pressure "hunting" as primary diagnostic indicators.

Can this valve be used with refrigerants other than R410A?
No, this thermostatic expansion valve is specifically calibrated for the pressure-temperature characteristics of R410A. Using it with R-22 or other refrigerants will lead to improper metering and potential system failure.

What is required for a successful installation?
Standard braze-on installation requires a nitrogen purge to prevent internal oxidation. It is highly recommended to replace the liquid line filter drier (such as the KH43LG072) simultaneously to protect the new valve from debris or moisture.

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.