8 oz. H-205 Water Soluble Flux
30132 - spec sheet
Features
- Meets ASTM standard B-813
- NSF standard 14 (Performance) and standard 61 (Health Effects) certified
- For warranty product details, refer to the Oatey Limited Warranty document
- Can be used on copper piping without discoloration
- 100 percent lead-free paste cleans, fluxes and copper piping to provide uniform solder flow
- Compatible with common plumbing solder alloys
- Water flushable
- Effective on most metals, excluding aluminum and stainless steel
- Good for large diameter copper piping
- Safe for use in potable water applications
30132 - spec sheet
Manufacturer Resources
Product Specs
- Volume:
- 0.023
- Department:
- Plumbing
- Product Group:
- Plumbing Chemicals
- Product Subgroup:
- Sealants & Fluxes
- Product Type:
- Flux/Compound
- Product Finish:
- Yellow
- Product Weight:
- 0.592
OATEY 30132 – 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 safe for potable water use. It meets ASTM B-813 and is certified to NSF standard 14 for performance and NSF standard 61 for health effects, which is the pairing most plumbing inspectors and institutional specs look for on drinking water piping.
2) Will H-205 flux work on stainless steel or aluminum pipe?
No. H-205 works on most metals but not aluminum or stainless steel. It's formulated for copper tube and common plumbing solder alloys, so for stainless or aluminum joints you need a different flux chemistry entirely.
3) What is the difference between a water soluble flux like Oatey H-205 and a petroleum based paste flux?
H-205 is water flushable, so residue rinses out of the line with water rather than needing solvent cleanup or leaving an oily film behind. That matters on potable systems where you flush the line before service, and it's why the residue won't discolor copper. Petroleum-based pastes hold heat differently and are typically chosen where flushing isn't practical. H-205 is also the choice Oatey points to for large diameter copper, where the joint takes longer to come up to temperature.
4) Do I need to clean and sand copper tube before applying H-205 flux?
H-205 is a self-cleaning paste, so it cleans and fluxes the copper as part of the same step to give uniform solder flow. Standard practice is still to ream and wipe the tube and fitting so the paste has clean metal to work on, particularly on older tube with heavy oxidation.
5) Is Oatey H-205 compatible with lead-free 95/5 or tin-silver solder?
Yes, H-205 is compatible with common plumbing solder alloys and is itself 100 percent lead-free, so it pairs with the lead-free solders required on potable water work.
6) Will flux residue stain the copper on exposed pipe runs?
No. H-205 can be used on copper without discoloration, which is the reason to reach for it on exposed mechanical room runs or finished spaces where a stained joint gets flagged. Residue rinses with water.
How fast can I get the OATEY 30132 delivered?
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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 30132 come with a warranty?
Absolutely. The OATEY 30132 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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