HD78BA 1.5 kg Hull Anode – Aluminum Sacrificial Hull Anode

Protect your vessel's hull and underwater metals from galvanic corrosion with the HD78BA 1.5 kg Hull Anode. Manufactured from Performance Metals Navalloy® aluminum alloy, this high-capacity marine anode delivers dependable corrosion protection in saltwater, brackish water, and freshwater environments.

Designed as a direct replacement for ZD78B zinc anodes, the HD78BA provides long-lasting cathodic protection for recreational and commercial vessels. Its durable aluminum construction offers greater efficiency and longer service life while helping safeguard valuable underwater components.

Key Features

• Replaces ZD78B zinc anodes
• Helps protect hulls and underwater metals from galvanic corrosion
• Manufactured from Navalloy® aluminum alloy to MIL-DTL-24779 specifications
• Suitable for use in saltwater, brackish water, and freshwater
• High-capacity design for extended service life
• Ideal for recreational and commercial marine applications
• Reliable corrosion protection for hull-mounted systems
• Important: Do not mix aluminum and zinc anodes on the same vessel. For best corrosion protection, use the same anode material throughout your anode system.

Specifications

• Material: Navalloy® Aluminum Alloy
• Application: Hull Anode
• Weight: 3.3 lbs (1.5 kg)
• Zinc Equivalent Weight (ZEW): 11.4 lbs (5.2 kg)
• Water Compatibility: Salt, Brackish, and Fresh Water

Includes

• HD78BA 1.5 kg Hull Anode