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What is a sacrificial anode rod in my water heater?

April 26, 2017Anode Rod sacrificial

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Posted

What is a sacrificial anode rod in my water heater?

2 Answers

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Neo John Posted

Sacrificial anode reacts with substances in the water, it undergoes an electrochemical reaction and draws corrosion to itself rather than the glass lined steel tank.

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Posted

The sacrificial anode rod is a metal rod usually made of magnesium or aluminum to prevent corrosion of the water heater tank. Electrolysis eats away the anode instead of eating at the steel of the tank.