Zinc Anode Header Plugs (Sacrificial Anodes)

Reduce Corrision and Prevent Equipment Damage with Sacrificial Zinc Anodes

USA Industries Zinc Plugs, Zinc Anode, Marine-Zinc, Pencil Zinc


Sacrificial Anodes are used in various settings like refineries, heat exchangers, water heaters, pipelines, tanks (above and below ground), boat hulls, and car engine cooling systems. They shield different metals from corrosion.


  • Prevent damage from galvanic corrosion
  • Rod lengths available from 1" to 14"
  • Rod diameters available from 1/4" to 1"*
  • Replaceable zinc anode
  • Soft rubber material conforms to provide a tight seal
  • In-stock items ship within 24 hours

For sizes larger than 1" NPT, use 1" parts and install a reducing bushing

For use in heat exchangers, pumps, tanks, pipelines and engines

Other Names/Uses

  • Boat Pencil Zincs, Pencil Anodes, Engine Anodes, Marine Zincs, Zinc Engine Anodes, Pencil Zinc Engine Anodes, Galvanic Corrosion Anodes, Galvanic Sacrificial Anodes
USA Industries Zinc Anode Brass Plug and Rod Sold Separately Badge

Frequently Asked Questions