Answering the common buyer question: which PEX stub out with a wall flange is best for your tubing type and project needs? This guide highlights five solid picks, each clearly described for DIYers and pros. It covers copper stub outs suitable for PEX-B/C, PEX-A variants, and models that include a wall flange for easy mounting. Use this to compare durability, compatibility, and installation convenience at a glance.
| Product | Pipe Type | Length | Flange | Best For |
|---|---|---|---|---|
| Sammery Pack of 10 Copper Stub Out Elbows (Pex-B/C) | Pex-B/C | 6 inch | Yes | Versatile for mixed copper stub outs |
| Sammery Pack of 10 Copper Stub Out Elbows (Pex-A) | Pex-A | 6 inch | Yes | Dedicated for PEX-A tubing systems |
| PLUMBINGMASTER Copper Stub Out Elbows with Wall Flange (Pex B) | Pex B | 6 inch | Yes | Durable all-copper construction |
| Keeney K857-30 PEX Stub-Out Support and Cover | PEX (general) | N/A | No | Cover and support for exposed stub outs |
| EFIELD 1/2″ Pex Copper Stub Out Elbow with Wall Flange | Pex (generic 1/2″) | 8 inch | Yes | Longer reach with solid copper |
Sammery Pack: PEX-B/C Copper Stub Out Elbows with Wall Flange
Contains 10 pieces, each 6 inches long, 1/2″ copper stub out elbows designed for PEX-B or PEX-C tubings. Includes wall flange with pre-drilled holes for straightforward installation. Best for: DIYers assembling basic PEX-B or mixed copper stub outs in tight spaces. Caution: Not compatible with PEX-A tubing; verify pipe type before purchase.
Sammery Pack: PEX-A Copper Stub Out Elbows with Wall Flange
Contains 10 pieces of 6-inch length, 1/2″ PEX-A expansion copper stub out elbows with wall flange. Pre-drilled flange holes simplify installation. Best for: projects using PEX-A tubing. Caution: copper stub out is not for PEX-B or PEX-C unless specified.
PLUMBINGMASTER Copper Stub Out Elbows with Wall Flange
One pack includes 1/2″-6 inch PEX-B copper stub out elbows, each with a matching wall flange. All-copper construction emphasizes durability and corrosion resistance. Best for: professional projects requiring reliable, long-term performance. Caution: verify tubing type to ensure copper is compatible with your system (B vs A).
Sammery Pack: PEX-B/C Copper Stub Out Elbows, 8 Inch Length
Contains 10 pieces of 8-inch length, 1/2″ PEX-B/C expansion copper stub out elbows with wall flange. Best for: longer runs or spacing where 8-inch length is required. Caution: confirm PEX type (A vs B) to avoid compatibility issues.
Buying Guide
What should I look for in a PEX stub out elbow with flange?
Key factors include pipe type compatibility (PEX-B, PEX-C, PEX-A), copper material quality, length, and the presence of a wall flange for anchor points. Copper construction offers durability and corrosion resistance, while longer lengths reduce the need for additional fittings in some runs.
Compatibility: Which PEX family is supported?
Some elbows are labeled for PEX-A, while others specify PEX-B/C. Use only the indicated type with each product to prevent fitting failures or leaks. If your system uses PEX-A, choose the dedicated PEX-A stub out; for PEX-B/C, select those models that explicitly list compatibility.
Flange and installation ease
Wall flanges simplify mounting and concealment of stub outs. Flanges with pre-drilled holes speed up installation, especially for DIY projects. If you prefer a clean look or need a quick install, prioritize flange-enabled options.
Length considerations
Common lengths range from 6 to 8 inches. Shorter lengths save space in tight installations; longer lengths reduce the need for extra elbows. Choose length based on wall gap, stud placement, and desired pipe routing.
Durability and safety
All-copper construction offers solid durability and corrosion resistance. Lead-free materials improve safety for potable water. Check product notes for lead-free compliance to ensure a safe water supply.
Installation cautions
Always verify the pipe type before installation. Using a copper stub out with incompatible PEX tubing can cause leaks or improper sealing. Ensure the flange is securely anchored and that the elbow is firmly crimped or connected per your system’s method.
Comparison snapshot
- Best for mixed PEX-B/C setups: Sammery PEX-B/C with flange
- Best for PEX-A focused projects: Sammery PEX-A with flange
- Best for long-term copper durability: PLUMBINGMASTER Copper Stub Out
- Best for aesthetic cover and support: Keeney K857-30 Stub-Out Cover
- Best for longer reach with flange: EFIELD 1/2″ Pex Copper Stub Out Elbow
Frequently Asked Questions
- What is a PEX stub out with flange used for?
It provides a terminating point for PEX piping at a wall, with a flange to secure and conceal the joint for a clean installation.
- Can I use a PEX-A stub out with PEX-B tubing?
No. Use the stub out matched to your tubing type (A with A, B/C with B/C) to ensure compatibility and proper sealing.
- Are copper stub outs lead-free?
Many copper stub outs are manufactured lead-free to meet safety standards for potable water systems. Always confirm lead-free compliance in product specifications.
- Why choose a wall flange?
A wall flange provides a neat finish and helps secure the elbow to the wall, reducing movement and potential leaks.
- What length should I choose?
Choose 6 inches for typical wall depths and 8 inches when extra reach is needed, avoiding tension on the piping.
- Is installation DIY-friendly?
Yes, especially models with pre-drilled flanges and clear PEX type labeling. Follow local plumbing codes and use appropriate fittings.