Flair-It PEXLock 3/8 in. PEX X 3/8 in. D PEX Plastic Clamp Rings are a durable, lead-free solution for secure, non-push-to-connect connections in 3/8" PEX runs. Made from sturdy plastic, these clamp rings complement Flair-It’s PEXLock fittings by delivering a simple, reliable mechanical hold that technicians can count on in tight spaces and retrofit projects.
What makes them stand out
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Lead-free plastic construction—designed to support safe plumbing practices and reduce contaminants in the water path.
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3/8" PEX to 3/8" diameter ends—perfect for small-diameter supply lines and fixtures; aligns with Flair-It PEXLock system components.
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Compact package—three clamp rings per bag, convenient for multiple connections or stocking up for future projects.
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Pressure and temperature rated—up to 100 psi and 180°F, suitable for typical residential hot and cold water applications within those limits.
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Non-push-to-connect design—built for mechanical clamping applications where a push-to-connect approach isn’t used.
Applications and installation considerations
These clamp rings are ideal for assembling or repairing 3/8" PEX lines with Flair-It’s PEXLock fittings. They offer a clean, compact alternative to crimp or solder solutions, especially in tight spaces like behind cabinets, inside walls, or under sinks. Use them in both new installations and retrofit projects when you need a quick, tool-friendly method that maintains a reliable seal.
- Verify compatibility with your Flair-It PEXLock components before installation.
- Ensure tubing ends are clean, deburred, and dry prior to seating the ring.
- Slide the clamp ring over the PEX before inserting into the fitting; align and secure according to the PEXLock instructions.
- After assembly, conduct a leak test at the operating pressure to confirm a proper seal.
Who benefits
This product is well-suited for professional plumbers, contractors, and experienced DIY enthusiasts working with 3/8" PEX lines in confined spaces. The Flair-It clamp rings simplify installations and timely repairs without solvents or heat, while delivering dependable performance over time.