Meet the Flair-It PEXLock 3/8 in. PEX X 3/8 in. D PEX Plastic Plug — a compact, dependable termination solution for 3/8" PEX runs. Designed to integrate seamlessly with Flair-It PEXLock fittings, this two-piece plug provides a clean, reliable seal when you need to close off a line or cap a section during installation or service.
Why this plug stands out
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Two 3/8" PEX ends — precisely sized for standard 3/8" PEX tubing on both sides, enabling straightforward integration within the PEXLock ecosystem.
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Sturdy plastic construction — designed for durability in typical residential plumbing environments and resistant to the elements that can affect metal components.
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Bagged, two-pack packaging — convenient for on-site use and stocking multiple projects, ensuring you have a spare on hand.
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Maximum Pressure: 100 — built to handle common supply conditions in many PEX systems (verify compatibility with your specific setup).
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Not a push-to-connect fitting — this is a dedicated plug that works with PEXLock components to provide a secure, reliable termination for 3/8" lines.
Ideal use cases
- Terminate open 3/8" PEX runs during new installations or renovations, keeping the system clean and leak-free.
- Cap off sections of a PEX manifold or radiant-heating loop when a branch is temporarily unused or awaiting another component.
- Facilitate testing and commissioning by providing a solid, inspectable end point on 3/8" lines.
How it helps you work smarter
The Flair-It PEXLock plug is purpose-built for professionals and DIYers who want a practical, reliable termination option without fuss. Its dual 3/8" PEX ends ensure compatibility with common PEX routing, while the plastic construction minimizes weight and corrosion concerns. In real-world terms, it translates to faster install times, fewer call-backs for leaks, and a tidier, more professional finish on every PEX project.
Specifications at a glance
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Material: Plastic
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End 1 Diameter: 3/8
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End 2 Diameter: 3/8
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End 1 Type: PEX
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End 2 Type: PEX
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Number in Package: 2
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Packaging Type: Bagged
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Product Type: Plug
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Push to Connect: No
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Brand: Flair-It
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Sub Brand: PEXLock
