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16 oz. H-205 Water Soluble Flux
30133 - spec sheet
Features
- 100 percent lead-free paste cleans, fluxes and copper piping to provide uniform solder flow
- Safe for use in potable water applications
- NSF standard 14 (Performance) and standard 61 (Health Effects) certified
- Meets ASTM standard B-813
- Effective on most metals, excluding aluminum and stainless steel
- Can be used on copper piping without discoloration
- Good for large diameter copper piping
- Compatible with common plumbing solder alloys
- For warranty product details, refer to the Oatey Limited Warranty document
- Water flushable
30133 - spec sheet
Manufacturer Resources
Product Specs
- Volume:
- 0.042
- Department:
- Plumbing
- Product Group:
- Plumbing Chemicals
- Product Subgroup:
- Sealants & Fluxes
- Product Type:
- Flux/Compound
- Product Weight:
- 1.233
OATEY 30133 – Frequently Asked Questions
1) Can Oatey H-205 flux be used on potable water lines?
Yes. Oatey 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 and commercial drawings call out for soldering flux on potable copper.
2) Will Oatey H-205 flux work on stainless steel or aluminum?
No. H-205 is effective on most metals but specifically excludes aluminum and stainless steel. For copper and copper alloy piping it cleans and fluxes for uniform solder flow; for stainless or aluminum joints you need a flux formulated for those metals.
3) Is this flux suitable for large diameter copper, like 2 inch and up?
Yes, Oatey H-205 is noted as good for large diameter copper piping, which is where a flux that holds on the joint and keeps solder flowing evenly around a big circumference matters most. It also will not discolor copper, so exposed runs in mechanical rooms stay clean looking.
4) Does Oatey H-205 flux work with lead-free solder?
It is compatible with common plumbing solder alloys, so it pairs with the standard lead-free tin/silver and tin/copper solders used on domestic water. The flux itself is 100 percent lead-free, so the whole joint stays compliant for potable water.
5) Do I still need to clean and ream the copper if I use H-205?
H-205 cleans as well as fluxes, which helps strip light oxide and promote uniform solder flow, but it is not a substitute for mechanically prepping the joint. Standard practice on copper is still cut square, ream the burr, and abrade the tube end and the fitting socket, then apply the flux to both surfaces.
How fast can I get the OATEY 30133 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 30133 come with a warranty?
Absolutely. The OATEY 30133 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 30133?
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 30133 from ZenSupply?
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