1. So manufacturers offer another line of defense, called a sacrificial anode rod. 2. Galvanic corrosion is often prevented by the use of sacrificial anodes . 3. The answer to that would be a sacrificial anode somewhere in the system. 4. The sacrificial anodes and cathodes can be of the same or of different materials. 5. See the related Sacrificial anode for corrosion prevention. 6. It is an electrochemical corrosion a copper-silver galvanic cell forms and the copper acts as sacrificial anode . 7. Galvanic or sacrificial anodes are made in various shapes and sizes using alloys of zinc, magnesium and aluminium. 8. Galvanic or sacrificial anodes are made in various shapes and sizes using alloys of zinc, magnesium and aluminum. 9. Water heaters have a component called a sacrificial anode rod that is suspended in the water inside the tank. 10. To slow this process down, water heaters have a replaceable sacrificial anode rod that corrodes instead of the steel.
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