An anode rod sacrifices itself through electrochemical action, corroding preferentially to the steel tank wall and extending tank life significantly. Without a functioning anode, the steel tank itself corrodes and eventually leaks or fails.
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Frequently Asked Questions
How often should an anode rod be replaced in Melbourne?
Most manufacturers recommend inspecting the anode every 3 to 5 years and replacing it when more than 50% depleted. Annual inspection is recommended for hot water systems over 5 years old.
What are signs that an anode rod needs replacing in a Melbourne home?
Signs include a rotten egg smell from hot water taps (hydrogen sulphide reaction with a depleted anode), discoloured or rusty hot water, and a hot water system over 5 years old with no prior anode inspection.
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