Mueller W03021 1/2 x 1/2 Copper CxC 45 Elbow

The Mueller W03021 1/2 x 1/2 Copper CxC 45 Elbow is a professional-grade wrot copper fitting engineered for critical directional changes in HVACR systems and pressurized potable water supply lines. Fabricated from high-purity alloy C12200, this 45-degree elbow offers a streamlined flow profile that minimizes pressure drop and turbulence—essential for maintaining efficient refrigerant flow and hydraulic balance in closed-loop systems. Designed with dual solder cup (CxC) connections, it ensures a robust, leak-proof transition when paired with types K, L, or M copper tubing. This fitting is manufactured to ASME B16.22 and ASTM B75 standards, providing the dimensional precision required for tight mechanical tolerances in commercial mechanical rooms. With a high pressure rating and lead-free compliance (NSF/ANSI 61 and 372), the Streamline W03021 is a reliable choice for veterans looking to optimize piping layouts without compromising system integrity or flow characteristics.

• Precision-Engineered Flow: The 45-degree angle reduces friction losses compared to standard 90-degree bends, optimizing HVAC system efficiency.
• Industrial Durability: Constructed from corrosion-resistant wrot copper to withstand high-vibration and high-pressure refrigeration environments.
• Universal Compatibility: Seamlessly integrates with 1/2-inch nominal copper tube for ACR applications and hydronic heating.
• Code Compliance: Meets ASME B16.22 and NSF 61G requirements for use in multi-sector piping projects.

What is the difference between a 1/2 inch nominal and 1/2 inch OD fitting?
In the HVACR trade, "nominal" 1/2-inch often refers to the internal size used in plumbing, which typically has a 5/8-inch outside diameter (OD). Ensure your tubing matches the solder cup dimensions for a proper capillary bond.

Can these 45-degree elbows be used in high-pressure R-410A lines?
Yes, when installed with proper brazing techniques, these pressure fittings are designed to handle the operating pressures found in standard refrigeration and air conditioning cycles.

Is the Mueller W03021 suitable for underground burial?
Standard wrot copper allows for various installations, but for direct burial, check local codes regarding Type K copper and protective sleeving to prevent soil-based corrosion.

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.