Don’t let corrosion get the best of you

What are the most common causes of water heater corrosion?

  • Deteriorated anode rod:

    This "sacrificial" rod is designed to corrode instead of the tank. Once it's depleted, the tank itself will start to rust. 

  • Sediment buildup:

    Minerals and sediment can build up at the bottom of the tank, especially if you have hard water. This traps rust-producing particles against the tank's lining, accelerating corrosion. 

  • Hard water:

    Water with high mineral content, like iron, can accelerate electrochemical corrosion, which is a process that eats away at metal. 

  • Galvanic corrosion:

    This happens when two different metals (like copper pipes and a steel tank) are in contact. A failed dielectric union can cause this to occur, leading to rust around the connections. 

How to identify corrosion

  • Discolored water:

    Check the color of your hot water by running it into a clear cup. Rust will appear as a reddish-brown tint. 

  • Leaks:

    Look for water pooling around the base of the tank, especially where pipes connect. This is a sign that corrosion has weakened the metal. 

  • Powdery deposits:

    A white, powdery, or furry deposit can be a sign of corrosion on the outside of the tank or around pipe fittings. 

What next?

If you are experiencing any of these issues, reach out to Keith. He’ll complete an evaluation and guide you to the next best option either water heater repair or water heater replacement.

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