Description
Storage electric water heaters use immersion heating element for warming the water. The real purpose of the magnesium anode is to protect the inner water tank.
In order to understand the role of magnesium anode in electric water heaters in more detail, then we need to know the inner structure of the electric water heaters. The main material of the tank is iron, and it is in direct contact with water. At the same time, we also know that after heating water, more than 40 degrees ,will produce water scale. So if there is no magnesium rod in the electric water heater, the scale generated will be directly attached to the inner tank, and then it will be corroded. Just like when we use an electric kettle, the inner wall of the hot kettle is attached to a layer of scale.
The gold properties of magnesium are more active, in the process of heating, after a chemical reaction, magnesium dissolves in water, then in the long-term use, the magnesium rod will become thinner and thinner, and finally "disappear".
We do not have to worry about if the magnesium dissolved in water will be harmful, magnesium is non-toxic, so we use electric water heaters to take a bath, but also enjoy the rest assured.
Magnesium anode for water heater need to be replaced regularly if it really "disappear". Later, it is easy to damage the tank, and it is also easy to cause leakage accidents.
Under normal circumstances, it takes 1-2 years to check and replace once, while replacing the magnesium rod, you can also clean up the electric water heater by the way.
The position of the magnesium rod is also easy to find, generally at the bottom of the electric water heater and on the left.
Magnesium anode for water heater, as "sacrificial anodes", have a more reactive metallic property than iron and can react preferentially with these corrosive substances in water, thereby protecting the inner tank from corrosion. The magnesium rod will gradually be consumed during the reaction process, but it is precisely this "sacrifice" that ensures the long-term safety of the inner tank of the water heater.
In addition to its anti-corrosion effect, magnesium anode can also purify water quality to a certain extent. It can effectively absorb impurities, odors and some heavy metal ions in water, improve the quality of the effluent water, and is particularly important for the safety of household water use.
In addition, it can also reduce the accumulation of deposits inside the water tank. These deposits not only lower the heat conduction efficiency of the water heater, increase energy consumption, but may also cause malfunctions of components such as heating tubes. By reducing sediment, the magnesium rod indirectly enhances the heating efficiency of the water heater, achieving the goal of energy conservation and emission reduction.
Repacing of the magnesium anode
if we replace the magnesium rods, it will require disassembling the machine.The cost of disassembly alone will be at least $10.00 one time!
So I suggest replacing the magnesium rods during the time when you are disassembling and cleaning the water heater. This way, you can save some money on the disassembly cost.During the corrosion process, magnesium slag may fall off. The magnesium slag is relatively light and will flow along with the water into the pipes, which can easily cause blockages in the pipes.So be careful about the water heater selection.
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