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4 oz. H-205 Water Soluble Flux
30131 - spec sheet
Features
- Compatible with common plumbing solder alloys
- Effective on most metals, excluding aluminum and stainless steel
- Good for large diameter copper piping
- Meets ASTM standard B-813
- Water flushable
- NSF standard 14 (Performance) and standard 61 (Health Effects) certified
- Safe for use in potable water applications
- Can be used on copper piping without discoloration
- 100 percent lead-free paste cleans, fluxes and copper piping to provide uniform solder flow
- For warranty product details, refer to the Oatey Limited Warranty document
30131 - spec sheet
Manufacturer Resources
Product Specs
- Volume:
- 0.014
- Department:
- Plumbing
- Product Group:
- Plumbing Chemicals
- Product Subgroup:
- Sealants & Fluxes
- Product Type:
- Flux/Compound
- Product Weight:
- 0.308
OATEY 30131 – Frequently Asked Questions
1) Can Oatey H-205 flux be used on potable water lines?
Yes. The H-205 water soluble flux is 100 percent lead-free and listed as safe for potable water use, with NSF standard 14 (performance) and standard 61 (health effects) certification. It also meets ASTM B-813, which is the spec most plumbing codes reference for soldering flux on potable copper tube.
2) Will Oatey H-205 flux work on stainless steel or aluminum pipe?
No. H-205 is effective on most metals but specifically excludes aluminum and stainless steel. Use it on copper and the common plumbing metals; for stainless or aluminum joints you need a flux formulated for those alloys.
3) What is the difference between a water soluble flux like Oatey H-205 and a petroleum-based paste flux?
Water soluble means the residue flushes out with water instead of needing solvent cleanup, so after the joint cools you can run water through the line and clear the leftover flux. That matters on potable systems where trapped acidic residue can pit copper over time. H-205 is also stated to be usable on copper without discoloration. A petroleum paste flux stays on the pipe until it is wiped off and is not water flushable.
4) Is Oatey H-205 flux suitable for large diameter copper pipe?
Yes, it is called out as good for large diameter copper piping. The paste cleans and fluxes the joint to give uniform solder flow, which is what keeps the solder drawing all the way around on bigger tube where heat soak and longer joint circumference make voids more likely.
5) Does Oatey H-205 flux work with standard lead-free plumbing solder?
Yes. H-205 is compatible with the common plumbing solder alloys, so it pairs with the lead-free tin-based solders used on potable water work. No separate flux is needed for the solder you are already stocking.
6) How much flux is in the Oatey 30131 container?
Model 30131 is the 4 ounce size of H-205, with a product weight of 0.308 pounds packed. It is a single-container item, ordered by the model number 30131.
How fast can I get the OATEY 30131 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the OATEY 30131 come with a warranty?
Absolutely. The OATEY 30131 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the OATEY 30131?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the OATEY 30131 from ZenSupply?
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and
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every order.
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