HD77A 0.9 kg Pear Strap Anode – Aluminum Sacrificial Hull Anode

Protect your vessel's hull and underwater metals from galvanic corrosion with the HD77A 0.9 kg Pear Strap Anode. Manufactured from Performance Metals Navalloy® aluminum alloy, this compact marine anode provides dependable corrosion protection in saltwater, brackish water, and freshwater environments.

Designed as a replacement for ZD77 zinc anodes, the HD77A pear strap anode delivers long-lasting cathodic protection in a compact, easy-to-install design. Its durable aluminum construction provides superior performance across all water types, making it an excellent choice for recreational and commercial marine applications.

Key Features

• Replaces ZD77 zinc anodes
• Pear-shaped strap anode for hull and underwater metal protection
• Helps prevent galvanic corrosion on submerged metal components
• Manufactured from Navalloy® aluminum alloy to MIL-DTL-24779 specifications
• Suitable for use in saltwater, brackish water, and freshwater
• Compact, high-capacity design for extended service life
• Ideal for recreational and commercial marine applications
• 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: Pear Strap Hull Anode
• Weight: 1.8 lbs (0.8 kg)
• Zinc Equivalent Weight (ZEW): 5.8 lbs (2.6 kg)
• Water Compatibility: Salt, Brackish, and Fresh Water

Includes

• HD77A 0.9 kg Pear Strap Anode