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When to Change Anode Rod in Water Heater?

It is important to inspect the sacrificial anode every 1 to 3 years and replace it after more than 50% of its wear and tear to prevent corrosion of your tank. Its lifespan depends on the quality of your water. On average, the magnesium or aluminum anode must be changed every 3-5 years. For the Corro-Protec impressed current anode, it must be changed every 20 years.

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