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Why do electric water heaters need to replace magnesium rods in time?

Categories:Industry News
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Time of issue:2020-11-16
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(Summary description)The magnesium rod in the electric water heater is used to block the corrosion of the inner tank by alkali and scale. For different machine models and brands, the model (size) of the magnesium rod will also be different. In order to prevent corrosion of the inner tank or the inner heating tube caused by scaling, the household storage electric water heater usually adopts the method of sacrificial anode to solve the problem. The magnesium rod is used to release magnesium ions to slow down the corrosion of the inner tank and the heating rod.

Why do electric water heaters need to replace magnesium rods in time?

(Summary description)The magnesium rod in the electric water heater is used to block the corrosion of the inner tank by alkali and scale. For different machine models and brands, the model (size) of the magnesium rod will also be different. In order to prevent corrosion of the inner tank or the inner heating tube caused by scaling, the household storage electric water heater usually adopts the method of sacrificial anode to solve the problem. The magnesium rod is used to release magnesium ions to slow down the corrosion of the inner tank and the heating rod.

Categories:Industry News
Author:
Origin:
Time of issue:2020-11-16
Views:0

The magnesium rod in the electric water heater is used to block the corrosion of the inner tank by alkali and scale. For different machine models and brands, the model (size) of the magnesium rod will also be different. In order to prevent corrosion of the inner tank or the inner heating tube caused by scaling, the household storage electric water heater usually adopts the method of sacrificial anode to solve the problem. The magnesium rod is used to release magnesium ions to slow down the corrosion of the inner tank and the heating rod.

Why does the magnesium rod disappear mysteriously after using it for a long time?

Simply put, magnesium rods are active metals. When placed in water, they prefer to chemically react with certain substances in the water. Once a chemical reaction occurs, magnesium forms other substances, which become soluble substances and merge into the water. Slowly "disappear" from the outside to the inside.

Speaking of magnesium rods "disappearing out of thin air", is it true that it melted into the water at the expense of itself. Of course, don’t worry, magnesium is non-toxic.

Once the magnesium rod is eliminated, the water heater may be corroded. If it is not replaced in time, it will easily cause corrosion of the inner tank or corrosion of the heating tube to expose the heating wire, which will cause electric leakage and cause personal injury. Therefore, the inner tank of the electric water heater also needs to be cleaned and replaced in time.

How to avoid safety accidents?

1. It is recommended that storage-type electric water heater manufacturers stick consumer tips on the product instruction manual or on the outside of the product to remind consumers that the product needs to be inspected and replaced on a regular basis; secondly, distributors should take the initiative to provide on-sale services. Record the necessary information of consumers who purchase storage-type electric water heaters, do a good job of after-sales service, and provide regular on-site repairs and replacement of magnesium rods to eliminate potential safety accidents.

2. The magnesium rod in the electric water heater generally has a service life of 2-3 years. For users who have used the electric water heater for about 2 years, they should contact professional after-sales personnel to replace the magnesium rod in time to ensure the safe use of the electric water heater.

3. The service life of the entire storage-type electric water heater is generally 8 years. If the electric water heater is used for a period of time, it feels that the heating is slow and the power consumption is large, it should be checked in time to prevent potential safety hazards. After the product reaches a safe service life, it must be replaced actively; if you insist on using it, you must regularly ask professionals to visit and inspect it.

Summary and:

It can be concluded from the above that the inner tank and electric heating of the electric water heater are inseparable from the magnesium rod. If there is no magnesium rod in the inner tank, continued use will cause personal safety accidents. I hope my answer can help you. If you want to learn more, remember to pay attention to it. If you have different opinions, please share them and learn together. Thank you!

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Next: How to distinguish whether the water heater thermostat is good or bad

Previous: Do you know how to choose the thermostat?

Next: How to distinguish whether the water heater thermostat is good or bad

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