PEX Tubing | McMaster-Carr

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134 Products

How to Identify and Measure Fittings

Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.

Hard Plastic Tubing for Drinking Water

This tubing has hard walls like copper tubing, but is lighter in weight and easier to install. It connects to fittings with no heat or soldering required. Tubing meets NSF/ANSI Standard 61 for drinking water.

Barbed Tube Fittings for Drinking Water

Connect these fittings to tubing with a ring and a crimping tool (both sold separately). Safe to use with drinking water, these fittings meet the strict standards of NSF/ANSI 61.

Press-Connect Fittings for Drinking Water

Connect drinking water lines with ease—these one-piece fittings have a built-in sleeve that crimps onto tubing for a leak-tight connection that doesn’t require heat or soldering. These fittings meet NSF/ANSI 61 for drinking water systems and are compatible with Viega PEX tubing.

Press-Connect Fittings for Copper Tubing

Crimp these fittings to copper tubing with a crimping tool for a leak-tight connection that doesn’t require heat or soldering. They are comparable to Viega ProPress fittings.

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How to Identify and Measure Fittings

Tubing and Tube Fittings

Hard Plastic Tubing for Drinking Water

Barbed Tube Fittings for Drinking Water

Press-Connect Fittings for Drinking Water

Press-Connect Fittings for Copper Tubing