What is the anode of a water heater for?

What is the anode of a water heater for?


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Answer: the anode protects the water heater from the risk of corrosion.

The role of the anode is to protect the water heater from corrosion risks, so it is a very important element of the installation. More precisely, the anode corrodes instead of the tank of your water heater. Little by little, it destroys itself instead of the walls of the water heater. Thanks to it, the lifespan of the device increases considerably, which is why it is advisable to maintain it at least once a year. But beware, this is a fragile element that must be handled with care so as not to damage it. It is necessary to replace the anode of a water heater every 5 to 10 years depending on the case (when the majority of the anode has been destroyed), the basic model is sold from around 20 € in specialized stores. You too, send us your brico question