Sioux Chief 648XG2FA 1/2" PEX ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$9.08
Sioux Chief 648XG2FA 1/2" PEX x 3/8" Compression Chrome Angle Stop Valve, No-Lead

Sioux Chief 648XG2FA 1/2" PEX x 3/8" Compression Chrome Angle Stop Valve, No-Lead

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Model: 648XG2FA

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

$9.08
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Sioux Chief 648XG2FA 1/2" PEX x 3/8" Compression Chrome Angle Stop Valve, No-Lead

The Sioux Chief 648XG2FA is a no-lead angle stop valve built for rough-in and finish-out plumbing where a PEX supply line needs to transition to a 3/8" compression connection for a fixture supply. This XXVALVE-series stop connects 1/2" PEX tubing on the inlet side to a 3/8" compression outlet, making it a straightforward choice for installers tying a toilet, lavatory, or other fixture into an existing PEX distribution run. The valve body is finished in chrome for a clean appearance at any exposed stop location, and it is manufactured to no-lead specifications for potable water service. Each unit ships individually packaged, 1 EA per package, so plumbers can stock exactly what a job calls for without breaking down bulk cartons on site.

Key Features

  • Trade Size: 1/2" PEX inlet by 3/8" compression outlet, sized for common fixture supply transitions.
  • Angle Stop Configuration: XXVALVE-style angle stop directs flow from the wall supply line to the fixture riser at a 90-degree turn, keeping the connection low-profile behind the fixture.
  • PEX Inlet Connection: Accepts 1/2" PEX tubing directly, eliminating the need for a separate PEX-to-compression adapter fitting ahead of the stop.
  • Compression Outlet: 3/8" compression connection on the outlet mates with standard supply tubes used for toilets, faucets, and similar fixtures.
  • No-Lead Construction: Manufactured to no-lead standards for use in potable water supply applications.
  • Chrome Finish: Chrome-finished valve body provides a finished look at exposed stop locations under sinks and behind toilets.
  • Individually Packaged: Packaged 1 EA, allowing contractors to pull exactly the quantity needed per job or service call.

Technical Specifications

  • Inlet Connection: 1/2" PEX
  • Outlet Connection: 3/8" Compression
  • Finish: No Finish / Chrome
  • Packaging: 1 EA
  • Lead Status: No-Lead

Typical Applications

  • Toilet and Lavatory Fixture Supply Connections
  • Residential Rough-In and Finish Plumbing
  • PEX Distribution System Fixture Takeoffs
  • Renovation and Fixture Replacement Work
  • Service and Repair Calls Requiring a Stop Valve Swap

Why Sioux Chief?

Sioux Chief supplies rough-in and finish plumbing hardware built for the realities of jobsite installation, and the 648XG2FA angle stop is no exception. Its no-lead construction supports potable water supply use, while the direct 1/2" PEX inlet connection lets installers tie into existing PEX runs without an extra adapter fitting. The chrome-finished body and compact angle-stop configuration keep the installation clean and functional behind fixtures where appearance and reliability both matter to the trade.

Manufacturer Resources

Product Specs

Product Type:
Supply Stop
Connection Type:
Compression
Product Finish:
Chrome
Standards:
No-Lead
Department:
Plumbing
Product Group:
Rough-In and Supports
Product Subgroup:
Fittings and Valves
Product Material:
Brass
Product Size:
1/2" x 3/8"

Sioux Chief 648XG2FA – Frequently Asked Questions

1) Can I connect 1/2 inch PEX straight to the Sioux Chief 648XG2FA angle stop without an adapter?
Yes. The 648XG2FA takes 1/2 inch PEX tubing directly on the inlet, so you don't need a separate PEX-to-compression adapter ahead of the stop. The outlet is 3/8 inch compression for the fixture riser.
2) Will a standard toilet or faucet supply tube fit the outlet on this Sioux Chief angle stop?
The outlet is a 3/8 inch compression connection, which is the size standard toilet and lavatory faucet supply tubes use. Nut and ferrule compression, so a braided or rigid 3/8 inch supply tube lands on it directly.
3) Is the Sioux Chief 648XG2FA stop valve approved for potable drinking water?
It's built to no-lead specifications for potable water supply service, which is what code requires on fixture supplies carrying drinking water. The body is brass with a chrome finish.
4) Can I use this stop on copper or CPVC supply stub-outs?
No. The inlet on the 648XG2FA is sized to accept 1/2 inch PEX tubing, so it belongs on a PEX distribution run. For a copper stub-out you want a stop with a 1/2 inch compression or sweat inlet instead.
5) Should I use an angle stop or a straight stop under my sink?
Use an angle stop like the 648XG2FA when the supply line comes out of the wall and the fixture riser runs up. The 90-degree turn keeps the valve tight and low-profile behind the toilet or under the lav. If your supply comes up out of the floor and the riser continues straight up, a straight stop is the right part instead.
6) What part number do I order for a 1/2 inch PEX by 3/8 inch compression chrome angle stop from Sioux Chief?
Sioux Chief MPN 648XG2FA. That's the no-lead chrome angle stop with the 1/2 inch PEX inlet and 3/8 inch compression outlet.
7) Is the chrome finish on this stop good for an exposed location behind a toilet?
Yes. The brass body is chrome finished so it looks finished where the stop is visible under a sink or behind a toilet, no escutcheon trim needed to hide it.
8) How is the Sioux Chief 648XG2FA packaged, can I buy just one for a service call?
Each 648XG2FA ships individually packaged, 1 each, so you can pull a single stop for a service call without breaking down a bulk carton.
How fast can I get the Sioux Chief 648XG2FA 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 648XG2FA come with a warranty?
Absolutely. The Sioux Chief 648XG2FA 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 648XG2FA?
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
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