1/2 in PEX-A Expansion Copper Stub Out Elbow 8 in - 20 Pack

In this review the 20-Pack HeSun 1/2 in PEX-A expansion copper stub out elbow earns recommendation for plumbers and contractors who need a reliable, lead-free stub out that saves installation time. The main reason to buy is its combination of certified materials and compatibility with PEX-A tubing: these elbows are made from high-quality copper and meet ASTM F1960 and NSF/ANSI 61 standards, so they are suitable for potable water work while offering the stability of a Type L copper fitting.

Key Features

• Lead-free copper construction: Provides durable, corrosion-resistant stub outs that are safe for potable water plumbing and built to last.
• ASTM F1960 and NSF/ANSI 61 certified: Certified performance gives confidence for installations that require compliance with drinking water standards.
• Type L copper design: Reduces installation time and provides a stable connection point for fixtures, helping jobs finish faster.
• Compatible with PEX-A: Works with all PEX-A expansion systems to create seamless expansion-style connections when used with the correct tooling.
• Pre-drilled wall flange: Each 8 in stub out includes a flange with mounting holes for straightforward mounting and alignment behind finished walls.
• 20 piece pack: Supplied as a multi-pack that keeps spare stub outs on hand for larger projects or repeat service calls.

Who It's For

These stub out elbows are aimed at professional plumbers, remodel contractors, and experienced DIYers who use PEX-A expansion systems and need a consistent, code-friendly stub out for sinks, lavs, and other fixtures. The pack quantity and durable copper construction make them practical for multi-bath or new-construction plumbing runs where time and repeatability matter.

Those who should look elsewhere include installers who rely on stainless steel clamp or copper crimp ring systems, because these elbows are not intended for that connection method. Also, if you only need single fittings, the 20-pack may be more than required for one small repair.

Pros & Cons

Pros

• Lead-free copper gives long-term corrosion resistance and suitability for potable water.
• Certifications to ASTM F1960 and NSF/ANSI 61 deliver regulatory confidence for plumbing installations.
• Pre-drilled wall flange and 8 in length simplify mounting and alignment for wall-mounted fixtures.
• Compatibility with PEX-A expansion systems speeds installation when used with the correct tools.

Cons

• Not suitable for stainless steel clamp or copper crimp ring systems, limiting compatibility to PEX-A expansion.
• Sold only in a 20-pack, which may be excessive for one-off small repairs or single-fixture jobs.

Specifications

Material	Copper
Size	1/2 in
Length	8 in
Certifications	ASTM F1960, NSF/ANSI 61
Compatibility	PEX-A expansion tubing
Pack quantity	20 pieces

Our Verdict

The HeSun 20-pack 1/2 in PEX-A expansion copper stub out elbows are a solid choice for professionals and serious DIYers using expansion-style PEX-A systems who want certified, lead-free copper stub outs with integral flanges. They provide good value where multiple stub outs are needed and deliver reliable, long-lasting connections when used with the correct PEX-A tools.

Frequently Asked Questions

Are these suitable for potable water?
Yes. The elbows are certified to ASTM F1960 and NSF/ANSI 61 and are approved for potable water applications.

Will these work with crimp or clamp systems?
No. These are designed for PEX-A expansion systems and are not compatible with stainless steel clamp or copper crimp ring systems.

What is included in the package?
The package includes twenty 1/2 in, 8 in length copper stub out elbows with wall flanges and pre-drilled mounting holes.