Mueller W01083 2-5/8 x 2-1/8 Coupling

The Mueller W01083 is a professional-grade wrot copper reducing coupling engineered for high-pressure HVAC and refrigeration service. This 2-5/8 x 2-1/8 (OD) fitting features CxC solder joints designed to create a leak-proof connection between two copper tubes of unequal diameters. Constructed from high-purity, seamless copper in the WC-400R style, it is rated for up to 700 psi at standard operating temperatures, making it a reliable choice for R-410A and other high-pressure refrigerant lines. The precision-machined stops and consistent wall thickness ensure optimal flow and thermal conductivity across the joint. Compliant with ASME B16.22 and NSF 61G standards, this coupling is suitable for both commercial HVACR piping and above-ground potable water systems. Contractors rely on the Streamline series for its dimensional accuracy and ease of braze-ability in demanding field conditions.

• Wrot Copper Construction: Manufactured from high-grade seamless copper for maximum durability and corrosion resistance.
• High Pressure Rating: Tested to withstand up to 700 psi, ensuring reliability in modern HVACR systems.
• Precision Machining: Features consistent cup depths and diameters for superior solder flow and joint strength.
• Broad Compliance: Meets ASME B16.22, ASTM B75, and NSF 61G specifications for refrigeration and potable water.
• Made in the USA: Built to rigorous domestic quality standards for professional-grade performance.

Is this coupling suitable for R-410A refrigeration lines?
Yes, the Mueller W01083 is rated for 700 psi, which safely exceeds the operating pressures typically found in R-410A refrigeration and air conditioning systems.

What is the difference between nominal and OD sizing for this part?
This fitting is sized at 2-5/8" x 2-1/8" OD (Outside Diameter), which corresponds to a 2-1/2" x 2" nominal size in plumbing terminology. Always verify your tube OD before selection.

Can this fitting be used in potable water systems?
Yes, this wrot copper coupling is NSF 61G lead-free compliant, making it suitable for above-ground pressurized potable water applications.

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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.