US
Oatey

Oatey Safe Flo 29024 Wire Solder 1/2 lb

  • Lead-free, meets the Safe Drinking Water Act
  • Copper, bismuth, tin and silver alloy
  • Melting range 415F - 455F
  • 1/2 lb. spool, 8 ounces
  • Flux required, not for aluminum

Last refreshed Sep 11, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A lead-free plumbing solder for copper water lines, with a wide melting range that gives time to work each joint. It needs separate flux and will not bond aluminum.

As an Amazon Associate I earn from qualifying purchases. ProductDome earns a commission when you buy through links on this page.

ASIN: B000GASQ82Category: Solder

Overview

Sweating copper water lines calls for a lead-free solder like Oatey Safe Flo, a silver-bearing wire made for potable plumbing. Its copper, bismuth, tin and silver blend melts low and stays workable across a wide range, giving time to flow each joint.

Plumbers and homeowners get a code-friendly solder for drinking water lines that is forgiving to work with thanks to its wide melting range. Wire diameter is not stated in the details, and it cannot join aluminum.

Who it's for

Anyone repairing or installing copper supply pipes in a home gets a compliant, workable solder. Electronics builders need a rosin-core electrical solder instead.

Pros and cons

Pros
  • Lead-free for potable water
  • Wide melting range eases work
  • Meets Safe Drinking Water Act
Cons
  • Flux sold separately
  • Not for aluminum
  • Wire diameter not in details

Performance notes

Joint quality depends on clean, fluxed copper and even heat, which lets the solder wick into the fitting by capillary action. The wide melting range gives a longer working window before the solder sets. Without flux, the alloy will not wet the copper.

Specifications

BrandOatey
Dimensions & fit
Size1/2 lb.
Item weight8 ounces
Product dimensions6 x 3 x 1 inches
Capacity & performance
Melting range415F - 455F
Construction & materials
MaterialLead-free copper, bismuth, tin and silver alloy
ColorSilver
Incompatible materialsAluminum
Warranty & support
Warranty description1-year limited
Other details
Recommended usesCopper plumbing, potable water lines
FluxRequired, not included

Frequently asked questions

Can Oatey Safe Flo solder aluminum?

No. Oatey says it can not be used on aluminum. It is designed for copper plumbing and potable water lines.

Do I need flux with Oatey Safe Flo?

Yes. Use of flux is required, and flux is not included.

Is Oatey Safe Flo safe for drinking water pipes?

It is lead free and meets the requirements of the Safe Drinking Water Act.

Can I use Oatey Safe Flo for electronics?

It is made for plumbing. The listing does not describe electronics use or a flux core.