Installing a Galvanic Isolator / Zinc Saver will maintain a good earth link with the shore, but prevent stray currents coming up the earth line and damaging the boat. 30 amp Galvanic Isolator ZS30A. Pro-Save E Galvanic Isolator 30A, 110V or 230V AC.
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Over 30,000 UK boats are now fitted with Safeshore isolators giving excellent protection from both galvanic and stray current corrosion. This product will save you £££,s in wasted anodes and will protect your propellers, shafts, outdrives, rudders, engines and hull from destructive galvanic currents.
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30 amp Galvanic Isolator ZS30A. Installing a Galvanic Isolator / Zinc Saver will maintain a good earth link with the shore, but prevent stray currents coming up the earth line and damaging the boat. Pro-Save E Galvanic Isolator 30A, 110V or 230V AC.
eBay