Oatey H2O No. 5 Paste Flux is a water flushable soldering paste flux designed to clean and flux most commonly soldered metals. 100% lead free, H2O No. 5 is NSF listed for potable water applications. Its formula resists turning copper piping green and is excellent for large diameter copper pipe applications. Made in the USA. Oatey products have earned the trust of plumbing professionals for over 100 years.
- Water flushable soldering paste flux
- Effective on most metals, excluding aluminum and stainless steel
- Compatible with common plumbing solder alloys
- Can be used on copper piping and other metals without discoloration
- Ideal for large diameter copper piping
- 100% lead-free paste cleans and fluxes copper piping to provide uniform solder flow
- Safe for use in drinking water applications
- Meets ASTM standard B-813
- NSF standard 14 (Performance) and standard 61 (Health Effects) certified
Product Videos
Custom Field
Model 30130
