Sioux Chief 642XG No-Lead Copper PEX 90° Elbow, Copper-to-PEX Fitting

Sioux Chief 642XG No-Lead Copper PEX 90° Elbow, Copper-to-PEX Fitting

The Sioux Chief 642XG No-Lead Copper PEX 90° Elbow is a no-lead copper fitting engineered for reliable copper-to-PEX transitions in potable water and hydronic tubing systems, available in trade sizes from 1/2" to 1" (1/2" x 1/2", 3/4" x 3/4", and 1" x 1") to match rough-in requirements across the job. Each elbow uses a longer-radius 90° bend to improve flow characteristics over standard elbows, with tube stops formed directly into the fitting body for consistent, accurate PEX tubing insertion depth. The no-lead copper construction keeps this series compliant with lead-free potable water requirements for residential and commercial rough-in work.

Key Features

• Trade Size Range: Available in 1/2" x 1/2", 3/4" x 3/4", and 1" x 1" sizes, covering the 1/2" to 1" range needed for copper-to-PEX rough-in across a job.
• Durable Construction: Copper body with a longer-radius 90° bend that improves flow characteristics compared to standard elbows.
• Formed Tube Stops: Tube stops are formed directly into each fitting, giving installers a consistent, accurate PEX tubing insertion depth every time.
• No-Lead Compliant: No-lead copper construction keeps this fitting suitable for potable water distribution applications.
• Case Packaging: Supplied 25 pieces per case for efficient jobsite stocking and inventory planning.

Certifications & Compliance

• No-Lead Construction
• Compliant with Lead-Free Potable Water Requirements

Technical Specifications

• Trade Size: 1/2" - 1" (1/2" x 1/2", 3/4" x 3/4", 1" x 1")
• Material: Copper
• Angle: 90°
• Country of Origin: Vietnam
• Packaging: 25 EA per case

Typical Applications

• Copper-to-PEX Transition Fittings
• Potable Water Distribution Systems
• Residential and Commercial Plumbing Rough-In
• Hydronic and Radiant Heating Tubing Runs
• Stub-Outs Behind Fixtures and Appliances
• Renovation and New Construction Plumbing

Why Sioux Chief?

Sioux Chief backs the 642XG PEX 90° elbow family with no-lead copper construction, a longer-radius bend engineered for better flow, and tube stops formed directly into the fitting for fast, consistent installation. Combined with the flexibility of three trade sizes spanning 1/2" to 1" and case packaging built for jobsite efficiency, these details make it a dependable choice for plumbing professionals who need reliable copper-to-PEX transitions on every rough-in run.