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1. The electric water heater needs to replace the magnesium rod. The electric water heater can be used normally after replacing the magnesium rod. There are no special requirements, but avoid setting the water temperature too high during use, which can reduce the frequency of magnesium rod replacement.
The magnesium rod in the electric water heater is a sacrificial anode to slow down the corrosion of the water storage tank and needs to be replaced regularly.
2. Among the modern theories about the causes of metal corrosion, one of the more mainstream is that electrochemical reactions are the main reason for the continuous corrosion (rusting) of metals. According to this theory, when an impure metal comes into contact with an electrolyte solution, a galvanic cell reaction occurs, and the relatively reactive metal loses electrons and is oxidized, which is called electrochemical corrosion. The metal materials used to make the inner liner of water heaters are usually impure metal materials, and corrosion will occur more or less during contact with water (electrolyte solution).
3. There is a characteristic of electrochemical reaction, that is, only the anode in the galvanic battery will be corroded. If a metal that is more likely to be an anode is added to the electrolyte solution, corrosion will occur on that metal, thus protecting the metal from corrosion. The metal that is added is called a sacrificial anode.
The magnesium rod loaded into the water heater tank exists as a sacrificial anode.
4. The use time of magnesium rod is related to the capacity of the electric water heater, water quality, water consumption, and use temperature, etc., and it is generally replaced once every 1 or 3 years. The time for the next replacement can be determined according to the time when the magnesium rod has been used and the condition of corrosion at the time of replacement.
5. Because the degree of electrochemical reaction is related to temperature. When above a certain temperature (about 85), the reaction rises sharply. Avoid setting the water temperature too high to reduce the frequency of magnesium rod replacement.
In fact, the ** of magnesium rod is not high, if you have a little hands-on ability, the problem of changing a few more times will be solved.
6. In addition, the anti-corrosion performance of the inner tank of the brand water heater itself is good, and the use of magnesium rod is just the icing on the cake, for many users, it does not matter whether the life of the inner tank of the water heater is 20 years or 50 years.
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In electric water heaters, magnesium carbonate is produced by combining magnesium with chemically active magnesium and carbonate ions in water with carbonate ions and bicarbonate ions. Magnesium depletes the negative ions in the water, and the iron liner is safe. Magnesium rods are consumables that need to be replaced every once in a while, and if the water quality is not good, the shorter the time it needs to be replaced.
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Adsorption of impurities, with adsorption function, can adsorb scale in the water, so that the water becomes clear, needed, because if you do not change it for a long time, the adsorption capacity is not strong, and the water will become turbid, and the water flowing out will have impurities, which will block the water outlet for a long time.
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Yes, magnesium rods are used to soften water quality in storage electric water heaters, and the size of magnesium rods is different for different water heaters.
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The magnesium rods in the electric water heater are consumables and need to be replaced regularly.
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Magnesium rod, also known as anode rod, its main component is magnesium, which is installed in the inner tank of the water heater, and its main function is to soften the water quality and protect the inner tank. When heating tap water, the chemicals and oxygen in the water will react chemically with the metal, thereby corroding the metal liner of the water heater and greatly reducing the service life. Compared with iron metal, magnesium rod is more likely to be eroded by chemicals in water, so that it can reduce the erosion of the metal liner through its own consumption, so it is a consumable, and its consumption rate is related to the softness and hardness of water quality, and it will be consumed almost after 2 or 3 years of use, then it is necessary to replace a new magnesium rod, and the size of the magnesium rod is related to the brand and capacity of the water heater, and its length generally ranges from 150mm to 600, and the diameter is usually between 15 and 25mm.
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1.It is recommended that the manufacturer of the storage electric water heater paste the consumption reminder in the product instruction manual or in a conspicuous place on the outside of the product to remind consumers that the product needs to be checked regularly and the magnesium rod replaced; Secondly, dealers should take the initiative to do a good job in the sale service, record the necessary information of consumers who purchase storage electric water heaters, cooperate with manufacturers, do a good job in after-sales service, and regularly provide consumers with door-to-door maintenance and replacement of magnesium rod services to eliminate potential accidents.
2.The use period of magnesium rods used in storage electric water heaters is 2-3 years, and consumers should take the initiative to contact the relevant after-sales service department to replace the magnesium rods after purchasing and using the electric water heater for about 2 years, so as to ensure the safety of the electric water heater.
3.The service life of the storage electric water heater is generally 8 years, and after the electric water heater is used for a period of time, if the consumer feels that the heating is slow and the power consumption is large, it should be checked in time to eliminate potential safety hazards. After the product reaches a safe service life, it should be replaced actively; If you insist on using it, you must regularly ask professionals to visit your home for maintenance and inspection.
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First of all, turn off the power switch, find a wrench, unscrew the screw cap of the sewage outlet, and slowly pull the screw cap to pull out the magnesium rod, and be careful to avoid damaging the edge. After the sewage is finished, open the water inlet pipe until the water becomes clear, take out the prepared new magnesium rod and carefully put it into the circle just now, and tighten the magnesium rod cap with a wrench.
1. Choose a good electric water heater, the quality of the inner tank plays a decisive role, mainly to see the corrosion resistance of the inner tank material, generally speaking, the inner tank of the water heater is divided into stainless steel inner tank, enamel inner tank, and galvanized inner tank.
2. When installing the electric water heater, it is necessary to check whether the position of the water inlet is installed incorrectly, so as to avoid the reverse installation of the position of the water inlet and outlet, which will lead to dry burning and cause danger.
3. To install an electric water heater, a leakage protector needs to be installed to avoid dangerous situations.
4. Because the heating water of the electric water heater is reheated, it is necessary to clean the dirt inside the electric water heater regularly, and it is necessary to contact a professional cleaning personnel to clean it up.
5. It is recommended to replace a magnesium rod in two to three years, otherwise the water heater will be corroded or leak after the magnesium rod is consumed. Before replacing the magnesium rod or repairing the equipment, please be sure to confirm whether the main power switch and the main water gate are turned off, pay attention to safety, and avoid electric shock.
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A water heater is a device that we often use in our winter life, it provides us with warm water, which is convenient for us to wash, soak, and cook rice, etc. However, after a period of use, the magnesium rod inside the water heater will be worn out and need to be replaced. So, what is the correct way to replace magnesium rods in a water heater?
Let's take a closer look.
Materials & Tools:
1.magnesium rods; 2.wrenches or torque wrenches; 3.Leak-proof coating or teflon tape.
Steps:1First of all, cut off the power of the water heater to ensure safety; 2.
Unscrew the water inlet valve and outlet valve on the water heater, and drain the water; 3.To find the location of the magnesium rod plug in the water heater, you can find it by reading the water heater instruction manual, etc.; 4.Use a wrench or torque wrench to unscrew the plug and remove the old magnesium rod; 5.
Apply a layer of threads to the new magnesium rod with a leak-proof coating or Teflon tape to avoid problems such as water droplets and leakage; 6.Use a wrench or torque wrench again to screw the new magnesium rod into the water heater until it can be connected through the plug; 7.Plug in to ensure a secure connection; 8.
Open the inlet valve and place enough water until the water flows out of the outlet valve; 9.Turn on the power and test whether the water heater is normal.
In addition to the above steps, we should also pay attention to the following situations:
1.Replace the magnesium rod regularly, generally about one to two years, so as to ensure that the magnesium rod will be worn out while peeling off the scale, which can better play a role in corrosion prevention; 2.Before unscrewing the old magnesium rod, close the water inlet valve and outlet valve to avoid the water heater burning out due to unobstructed water flow; 3.
When replacing the magnesium rod, it is necessary to choose the same model and material as the original magnesium key wheel rod to avoid the problem of overheating or inability to heat due to mismatch; 4.When replacing the magnesium rod, pay attention to safety, and do not use the manuscript Wang Xin to touch high-temperature items such as water heaters to avoid burns.
The above is the correct way to replace the magnesium rod in the water heater, I hope it will help you. When replacing magnesium rods, pay attention to safety and carefully check to ensure that nothing goes wrong to avoid damage to the equipment or safety issues.
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Electric water heater is a kind of electrical appliance that many homes will have now, and people use it to produce hot water, such as daily bathing, etc., because it can provide hot water at any time, so it brings great convenience to people's lives. The internal structure of the electric water heater is relatively special, and there will be a magnesium rod in it. Therefore, there are usually a lot of people asking:
Do electric water heaters have to be replaced with magnesium rods?
1. The function of magnesium rod: everyone can know about some gradual heating devices, as long as there is a heating rod or heating pipe in the water home, and there is no heating equipment installed with magnesium rod.
However, it should be understood that the structure of the electric water heater is relatively special, basically the configuration is storage, that is, the water is injected into the inner tank, and then heated inside. The water will produce a lot of other impurities during the heating process, and if too much is accumulated, it will affect the storage of the liner and the effect of the heating tube. The function of the magnesium rod is to adsorb these impurities, so that the inner tank and heating tube become clean.
2. Magnesium rod maintenance: It is precisely because of the special effect of magnesium rod that if it is used for a long time, there will be a lot of scale adsorbed on it, and once it reaches saturation, it will not be able to play a protective role in the inner tank and heating pipe of the water heater, and the water heater will have a lot of failures after a long time.
Therefore, in order to better protect the inner tank and heating pipe of the water heater, and reduce the failure of the water heater, the magnesium rod of the water heater must be replaced regularly. Pei Xianchen.
Do electric water heaters have to be replaced with magnesium rods? To sum up, the magnesium rod of the electric water heater needs to be replaced regularly, and the way to replace it is also very simple, as long as the screw of the sewage outlet is removed, the magnesium rod can also be removed. However, it should be noted that the replaced magnesium rod must be similar to the original model and specification, otherwise the matching degree with the water heater is not high, and there will be more trouble in the later stage.
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