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Anode Replacement Services

We recognize the vital role sacrificial anodes play in protecting your yacht from corrosion. These components safeguard metals on through-hull fittings, engines, and sail drives by corroding in place of your vessel’s more valuable parts. To keep your yacht in optimal condition, it is essential to inspect anodes regularly and replace them before they have degraded beyond 50 percent of their original size.

Sacrificial Anodes and Corrosion Protection

Electrolytic and galvanic corrosion are constant threats in the marine environment. Sacrificial anodes play a crucial role in protecting valuable underwater metals such as propeller shafts, through-hull fittings, rudders, sail drives, outdrives, and engine components. By corroding in place of these critical parts, anodes prevent structural damage and extend the lifespan of your yacht’s underwater hardware. To remain effective, anodes must be inspected regularly and replaced before they degrade beyond 50% of their original mass.

Our Anode Replacement Services Include:

Regular Inspection: We provide scheduled inspections to monitor the wear of shaft, hull, rudder, and engine anodes. Using visual checks and thickness measurements, we ensure anodes are performing their role within your yacht’s bonding and grounding system.

Timely Replacement: Once anodes lose more than half their material, their protective capacity diminishes rapidly. We carry out timely replacements to guarantee uninterrupted protection against galvanic attack and stray current electrolysis.

Expert Recommendations: Every sailing environment demands a tailored approach. In saltwater, zinc alloy anodes are most effective, while aluminum alloys perform better in brackish water, and magnesium alloys are optimal for freshwater use. Our experts select and install the correct anode type for your cruising grounds to maximize protection.

Comprehensive Installation: From lifting the boat to accessing underwater fittings, our technicians manage the entire process. We replace shaft collars, hull plates, rudder anodes, trim tab and saildrive anodes with high-quality parts that meet or exceed OEM standards. All fittings are torqued and secured for maximum reliability.

Bonding and Cathodic Protection Systems

Sacrificial anodes are most effective when integrated into a well-designed bonding and cathodic protection system. This system electrically connects all underwater metals to create a common potential, ensuring the anodes absorb all corrosive activity. Without bonding, isolated fittings may still be vulnerable to stray current damage.

  • Bonding Networks: Copper bonding straps and marine-grade wiring link through-hulls, shafts, struts, rudders, and engine blocks to the anodes. This ensures complete coverage and balanced protection.
  • Galvanic Isolators: Installed in shore power circuits, these devices block low-voltage DC currents from dock wiring, preventing unnecessary anode depletion while maintaining safety compliance.
  • Shaft Grounding: Brush contacts or slip rings maintain electrical continuity on rotating shafts, enabling shaft anodes to work effectively without interruption.
  • Monitoring and Testing: We measure the hull’s galvanic potential with a silver/silver chloride reference electrode to confirm that anodes are performing within optimal ranges.

By combining sacrificial anodes with proper bonding and cathodic protection systems, we create a complete defense strategy against corrosion, extending the service life of your yacht’s underwater metals and reducing costly repairs.

Why Trust Us for Anode Replacement?

Expertise and Experience: With years of practical experience in corrosion prevention, our technicians understand the complex interactions between metals, bonding systems, and environmental conditions.

Comprehensive Service: We handle every detail, from haul-out and cleaning to anode fitting and system checks, ensuring your yacht’s underwater metals remain fully protected.

Quality Materials: Only DHP-approved zinc, aluminum, and magnesium alloys are used, sourced from trusted suppliers for consistent performance and long service life.

Convenient and Efficient: Our streamlined process minimizes downtime, ensuring your yacht returns to the water with complete galvanic protection in place.

By maintaining your sacrificial anodes proactively and integrating them into a properly bonded system, we safeguard the critical systems of your yacht against hidden damage, reducing long-term repair costs and ensuring reliability in all waters.

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