HD56A 0.4kg Disc Anode – Aluminum Sacrificial Disc Anode

Protect your vessel’s hull and underwater metals from galvanic corrosion with the HD56A 0.4kg Disc Anode. Manufactured from Performance Metals Navalloy® aluminum alloy, this marine disc anode provides reliable corrosion protection in saltwater, brackish water, and freshwater environments.

Designed as a replacement for ZD56 and AD56 zinc anodes, the HD56A delivers long-lasting performance and efficient cathodic protection for a wide range of marine applications. Its compact disc design makes it ideal for hull protection and other underwater metal components.

Key Features

• Replaces ZD56 and AD56 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
• Compact disc design for versatile marine applications
• High-capacity aluminum construction for long service life
• Ideal for commercial and recreational vessels
• 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: Disc Anode
• Weight: 0.9 lbs (0.4 kg)
• Zinc Equivalent Weight (ZEW): 1.0 lbs (0.45 kg)
• Water Compatibility: Salt, Brackish, and Fresh Water

Includes

• HD56A Disc Anode