Sioux Chief 647XG Series No-Lead Brass One-Piece FIP x PEX Adapter

Sioux Chief 647XG Series No-Lead Brass One-Piece FIP x PEX Adapter

The Sioux Chief 647XG Series is a one-piece, no-lead brass FIP x PEX adapter line built to transition threaded female iron pipe (FIP) connections to PEX tubing in potable water plumbing systems. This family is available in 1/2", 3/4", and 1" FIP x PEX sizes, giving plumbing contractors a matched range of transition fittings that share the same solid, no-lead brass body across every size in the series. Each adapter delivers reliable, leak-resistant FIP-to-PEX transitions for residential and commercial rough-in work, and the full 647XG Series ships 250 EA per carton for distributor and job-site stocking.

Key Features

• Trade Size Range: Available in 1/2", 3/4", and 1" FIP x PEX configurations to match common rough-in requirements across the series.
• One-Piece Construction: Solid brass body eliminates extra joints, reducing potential leak points and simplifying installation behind the wall.
• No-Lead Brass Material: Manufactured from no-lead brass to meet low-lead requirements for potable water plumbing applications.
• Threaded x PEX Connection: Transitions threaded FIP connections to PEX tubing, allowing flexible PEX runs off rigid threaded fittings.
• Consistent Series Design: Every size in the 647XG Series shares the same one-piece no-lead brass construction for consistent performance across the entire size range.
• Contractor Packaging: Supplied 250 EA per carton, suited to distributor stocking and high-volume plumbing installation work.

Certifications & Compliance

• No-Lead / Lead-Free Brass Construction for Potable Water Compliance

Technical Specifications

• Series: 647XG
• Trade Size Range: 1/2" - 1" FIP x PEX
• Connection Type: Threaded x PEX
• Country of Origin: United States
• Packaging: 250 EA per carton

Typical Applications

• Potable Water Supply Lines
• PEX Plumbing Systems
• Residential and Commercial Plumbing Installations
• Transitioning Threaded FIP Fittings to PEX Tubing
• New Construction and Plumbing Repair Projects

Why Sioux Chief?

Sioux Chief builds the 647XG Series adapters from solid, one-piece no-lead brass, delivering a dependable fitting for code-relevant potable water plumbing work across the full 1/2" to 1" size range. This straightforward, durable construction helps plumbing professionals make secure FIP-to-PEX transitions with confidence in residential and commercial rough-in installations, and the shared one-piece design across every 647XG Series size makes it easy to standardize on one dependable line for multiple FIP x PEX size needs, from small residential branch lines to larger commercial rough-in runs.