Old and new anodes

Why Replace the Anode?

Water heaters fail because of rust and the sacrificial anode is the component that prevents the tank from rusting. Timely replacement of the anode in your hot water tank can triple its life.

So, what is an anode?

An anode is an alloy rod suspended in the water inside the heater tank. Corrosion attacks the alloy before the steel walls of the tank. Hence the term “sacrificial”.

In the photo you can see the Old anode on the Left. Note that the alloy is almost completely eroded away leaving the mild steel core. The replacement anode on the Right is yet to have the same fate. Better the Anode than your tank!

Tank corrosion is the main cause of hot water unit failure

The life expectancy of the originally installed anode is what determines the length of the manufacturer warranty. Therefore replacing the anode extends its life.

Timely replacement of the anode in your hot water tank can triple its life!

Replacing the anode every 4 to 8 years ensures full corrosion protection is maintained


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