Sioux Chief 647XG Series No-Le...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$2.56
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

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Model: 647XG2

In Stock (leaves warehouse same day if ordered before 3pm ET)

$2.56
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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.

Product Specs

Country Of Origin:
United States
Product Type:
FIP x PEX Adapter
Series:
647XG
Configuration:
FIP x PEX
Department:
Plumbing
Product Group:
Rough-In and Supports
Product Subgroup:
Fittings and Valves
Product Material:
No-Lead Brass
Connection Type:
Threaded x PEX
Product Size:
1/2" - 1"
Country of Origin:
USA

Sioux Chief 647XG2 – Frequently Asked Questions

1) What sizes does the Sioux Chief 647XG FIP x PEX adapter come in?
Three trade sizes: 1/2 inch (647XG2), 3/4 inch (647XG3), and 1 inch (647XG4). The FIP thread and the PEX end are the same nominal size on each, so a 3/4 inch adapter takes 3/4 inch female iron pipe thread to 3/4 inch PEX.
2) Is the 647XG adapter approved for potable water?
It's built from no-lead brass for potable water supply work, which is what low-lead plumbing codes call for on drinking water lines. Typical use is potable supply lines and PEX branch runs in residential and commercial rough-in.
3) FIP or MIP, which end threads onto what?
The 647XG is FIP, meaning the brass body has internal female pipe threads. It screws onto a male threaded nipple, valve, or fitting outlet, and the other end accepts PEX tubing. If the pipe you're coming off is female threaded, you need a MIP x PEX adapter instead, not this one.
4) Does the PEX end on the Sioux Chief 647XG need a crimp ring or is it a push fitting?
The 647XG is a barbed-style PEX insert end on a one-piece brass body, not a push-to-connect. It is a threaded-by-PEX fitting, so the PEX side gets secured with the ring method your system calls for and the FIP side threads onto male pipe thread.
5) Why choose a one-piece brass adapter over a two-piece or plastic PEX transition?
The one-piece brass body has no intermediate joint between the thread and the barb, so there's one less place to leak behind a wall or in a slab. Plastic transitions are lighter and cheaper, but brass gives you a solid thread that tolerates being wrenched onto a valve and re-torqued. For buried or inaccessible rough-in, the solid body is the usual call.
6) Can I standardize on one line for 1/2, 3/4 and 1 inch FIP-to-PEX transitions?
Yes. Every size in the 647XG Series uses the same one-piece no-lead brass construction and the same FIP x PEX configuration, so a single line covers small residential branch lines through larger commercial rough-in runs without mixing materials or specs across the job.
7) How are the 647XG adapters packaged for stocking?
They ship 250 each per carton across the series, which suits distributor shelf stock and high-volume rough-in work rather than one-off repairs. All three sizes share the same carton quantity.
8) Where are Sioux Chief 647XG adapters made?
The 647XG Series adapters are made in the United States, which matters on public and institutional jobs carrying domestic-sourcing requirements.
How fast can I get the Sioux Chief 647XG2 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Sioux Chief 647XG2 come with a warranty?
Absolutely. The Sioux Chief 647XG2 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Sioux Chief 647XG2?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Sioux Chief 647XG2 from ZenSupply?
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