Daikin-McQuay 668182702 TXV

Maintain peak system performance with the Daikin-McQuay 668182702 TXV, a critical metering component designed for high-efficiency R410A refrigerant applications. As a veteran-grade thermostatic expansion valve, this 3-ton capacity unit excels in precise superheat control, ensuring the evaporator coil receives the exact refrigerant volume needed for changing thermal loads. Featuring a 1/2" x 1/2" ODF (Sweat) connection and a 30-inch capillary tube, this valve is a direct OEM replacement for models like the KHA072S4-01 and ZGB048S4.

The McQuay 668182702 is engineered to prevent liquid slugging by maintaining optimal superheat, effectively protecting the compressor from premature failure. Its balanced port construction provides stable operation even under varying head pressures, making it a reliable choice for 3-ton HVAC systems. Whether you are performing a TXV replacement on a commercial unit or troubleshooting a residential split system, this R410A expansion valve ensures seamless integration and maximizes HVAC energy efficiency for your cooling equipment.

• Precise Refrigerant Metering: Optimized for R410A cooling systems to ensure accurate flow across all load conditions.
• Robust OEM Build: Genuine Daikin expansion valve quality ensures long-term reliability in demanding 3-ton applications.
• Compressor Protection: Maintains stable superheat targets to prevent liquid refrigerant return to the suction line.
• Simplified Installation: Standard 1/2 inch ODF connections allow for traditional brazing techniques without specialized adapters.

• What is the cooling capacity of this TXV? This unit is rated for 3-ton (36,000 BTU) systems.
• Does this valve come with the 30" capillary tube? Yes, it includes a 30-inch capillary for flexible sensing bulb placement on the suction header.
• Can I use this for R22 systems? No, this is specifically calibrated for the pressure-temperature characteristics of R410A.

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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.