Mueller W03026 5/8 x 5/8 Copper CxC 45 Elbow

The Mueller W03026 5/8 x 5/8 Copper CxC 45 Elbow (also designated as 1/2-inch nominal) is a professional-grade wrot copper fitting engineered for critical directional changes in HVACR line sets and pressurized plumbing systems. Built to ASME B16.22 and ASTM B88 standards, this 45-degree elbow provides a precision-machined solder joint interface for 5/8-inch OD tubing, ensuring a low-profile fitting that reduces flow turbulence compared to 90-degree alternatives. Its unleaded copper construction is NSF/ANSI 61 certified, making it suitable for both refrigerant piping and potable water systems. For technicians, the consistent wall thickness and cup depth of the Mueller Streamline series facilitate superior capillary action during brazing, resulting in leak-free connections that withstand high-pressure fluctuations. This CxC 45-degree elbow is an essential component for navigating tight clearances in residential AC installations and commercial boiler loops where maintaining thermal efficiency and system integrity is non-negotiable.

• Precision-Engineered 45-Degree Angle: Optimizes fluid dynamics and reduces pressure drop in high-velocity HVAC refrigeration lines.
• Industrial Compliance: Meets ASME B16.22 and ASTM B75 specifications for domestic and commercial wrot copper fittings.
• Superior Brazing Surface: High-grade copper provides excellent thermal conductivity for efficient solder flow and permanent joints.
• Dual-System Versatility: Fully rated for both closed-loop HVAC systems and potable water supply per NSF 61G requirements.
• Corrosion Resistance: Naturally resistant to de-zincification and scaling, ensuring long-term piping system durability.

Can the Mueller W03026 be used for high-pressure R-410A refrigerant lines?
Yes, when installed with proper brazing techniques (using silver solder or Sil-Fos), these wrot copper pressure fittings are designed to handle the operating pressures common in modern HVACR systems.

Is this elbow compatible with both soft and hard-drawn copper tubing?
Yes, the CxC connection (Cup x Cup) is designed to accept 5/8-inch OD Type L, K, or M copper tubing, provided the pipe ends are reamed and cleaned before installation.

Why use a 45-degree elbow instead of two 90-degree fittings?
Using a 45-degree copper elbow minimizes friction loss and potential kinking in line set routing, which is critical for maintaining compressor efficiency and proper oil return.

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.