Mueller W01047 1-1/8" Coupling

For high-performance refrigeration and residential plumbing applications, the Mueller W01047 1-1/8" Coupling provides a reliable, high-integrity connection. Engineered as a wrot copper coupling with a rolled stop, this fitting is built from deoxidized high-grade UNS C12200 copper to ensure superior corrosion resistance and lasting durability in pressurized systems. Designed for a Copper-to-Copper (CxC) solder joint, it facilitates a secure, leak-proof sweat connection between two 1-1/8" OD pipe segments.

Veteran technicians rely on the Mueller Streamline brand for its strict adherence to industrial standards, including ASME B16.22 and ASTM B75. This roll-stop coupling is ideal for HVACR line sets, suction lines, and potable water systems where maintaining flow velocity and joint strength is critical. With a pressure rating of 700 PSI at 250°F, this fitting handles high-pressure refrigerants like R-410A and meets NSF/ANSI 61G requirements for lead-free safety. The precision-machined solder joint ends ensure consistent capillary action, making it a staple for any contractor’s 1-1/8" copper plumbing fitting inventory.

• Precision-Engineered Roll Stop: Ensures accurate pipe depth insertion for consistent flow and mechanical strength in every sweat joint.
• Industrial-Grade Material: Manufactured from ASTM B75 deoxidized wrot copper, providing corrosion resistance and 700 PSI pressure stability.
• Multipurpose Compatibility: Fully compliant with ASME B16.22, making it suitable for ACR refrigeration, HVAC line sets, and potable water.
• Contractor Reliability: Streamline’s CxC coupling design is optimized for field brazing and soldering, ensuring efficient installs on 1-1/8 inch copper pipe.

Is this coupling sized for 1" nominal or 1-1/8" OD tubing?
The Mueller W01047 is sized for 1-1/8" Outside Diameter (OD) tubing, which typically corresponds to 1" nominal Type L or M plumbing pipe. Always verify your tubing’s OD before soldering.

Can this fitting be used with high-pressure refrigerants?
Yes, this wrot copper coupling is rated for 700 PSI, making it a go-to choice for HVACR suction lines and modern high-pressure refrigerant systems.

Does this coupling meet lead-free drinking water standards?
Absolutely. This fitting is NSF/ANSI 61G certified, meeting all national requirements for use in potable water supply systems.

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.