Sioux Chief 645X Type L Copper...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$14.81
Sioux Chief 645X Type L Copper PEX x PVC Transition Coupling, 3/4" - 1"

Sioux Chief 645X Type L Copper PEX x PVC Transition Coupling, 3/4" - 1"

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Model: 645X34P

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

$14.81
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Sioux Chief 645X Type L Copper PEX x PVC Transition Coupling, 3/4" - 1"

The Sioux Chief 645X is a Type L copper PEX x PVC water service transition coupling built to bridge PEX and PVC piping at the water service entry point. Available in 3/4" and 1" sizes to match common residential and light commercial water service configurations, this coupling is designed for cold water applications only, not to exceed 140°F, keeping the transition point secure whether installed behind a wall or below grade.

Key Features

  • Trade Size Range: Available in 3/4" and 1" sizes, covering the trade sizes used at typical water service entry points.
  • Durable Construction: Made from Type L copper tube for a corrosion-resistant, long-lasting connection between PEX and PVC piping.
  • PEX-to-PVC Transition: Purpose-built to bridge PEX and PVC pipe materials at the water service entry, simplifying transitions during installation or repair.
  • Cold Water Rated: Designed for cold water applications only; do not exceed 140°F to protect the integrity of the connection.
  • Water Service Ready: Suited for water service line transitions in residential and light commercial plumbing systems.
  • Secure Transition Point: Provides a stable junction where PEX supply lines meet PVC water service piping underground or at the point of entry.
  • PEX x PVC Configuration: Built specifically for a PEX x PVC transition, so installers do not need separate adapters to make the connection.

Technical Specifications

  • Trade Size Range: 3/4" - 1"
  • Material: Type L Copper Tube
  • Configuration: PEX x PVC Transition
  • Maximum Operating Temperature: 140°F (cold water use only)
  • Country of Origin: United States

Typical Applications

  • Water Service Line Transitions
  • PEX-to-PVC Pipe Connections
  • Residential and Light Commercial Plumbing
  • Cold Water Distribution Systems
  • Plumbing Repair and Retrofit Projects
  • New Construction Water Service Installations

Why Sioux Chief?

Sioux Chief builds water service transition fittings from durable Type L copper tube to deliver dependable, corrosion-resistant connections between PEX and PVC piping. The 645X coupling, available across the 3/4" to 1" size range, gives plumbers and contractors a straightforward way to transition water service lines while maintaining a secure, long-lasting joint for cold water applications up to 140°F at the point of entry.

Manufacturer Resources

Spec Sheet

Product Specs

Country of Origin:
United States
Cubic Volume:
0.1650978
Product Type:
Transition Coupling
Configuration:
PEX x PVC Transition
Department:
Plumbing
Product Group:
Rough-In and Supports
Product Subgroup:
Fittings and Valves
Product Material:
Type L Copper
Product Size:
3/4"

Sioux Chief 645X34P – Frequently Asked Questions

How fast can I get the Sioux Chief 645X34P 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 645X34P come with a warranty?
Absolutely. The Sioux Chief 645X34P 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 645X34P?
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 645X34P from ZenSupply?
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