Home electric water heater how to remove scale

Now the electric water heater has been popularized in every family, because the frequency of use is more, so it is necessary to regularly clean it, then how to clean it? The following is to understand the vision of the editor for you to organize the household electric water heater how to remove the scale, I hope to help you.

How to remove scale from household electric water heater 1, you need to open the base of the outlet. This requires professional tools (such as internal antler wrenches, etc.);

2, dilute hydrochloric acid 1-1.5L, the toilet bowl cleaner used at home is this thing. If you can not find a chemical reagent store, use that instead of into;

3, ready to dry towel one or two spare.

4, the specific method of operation:

(1) the water heater inlet valve off, disconnect the inlet valve and the water heater connection pipe.

(2) Open the water outlet valve and empty the water heater.

(3) Undo the drain valve base (pay attention to the force, do not damage the wire buckle).

(4) with a dry towel from the drain carefully into the water heater inside, will be inside the remaining water slowly sucked dry (this must have patience), the general water heater in order to protect the heating part of the water heater, the inside will be remaining 1-2 liters of water.

(5) dilute hydrochloric acid through the drain hole into the water heater inside (pay attention to the material of the water heater, general stainless steel liner or ceramic liner of the water heater, with dilute hydrochloric acid descaling is not a problem, the other metal should be noted that some should use dilute sulfuric acid), pay attention to do not let hydrochloric acid corrosion of the drainage holes (remember to remember)!

(6)Let it sit for about 1 hour, then slowly stir the dilute hydrochloric acid, and then let it sit for another 1 hour until all the scale is eliminated. If there is more scale, you can increase the amount of dilute hydrochloric acid appropriately.

(7) Use a dry towel to clean up all the reaction residue, connect the water inlet pipe, open the water inlet valve, carefully clean the inside of the water heater once or twice. Rinse once should be towel to the bottom of the water heater to absorb all the remaining water before rinsing the second time to prevent dilute hydrochloric acid residue.

(8) Close the water inlet valve, restore the outlet base and outlet pipe. At this point, the water heater descaling is complete.

Electric water heater precautions 1. Power outlet must have a secure grounding wire.

2. Stop wet hands pulling the power plug, long time not to be unplugged.

3. The safety valve shall not adjust its own pressure relief.

4. In winter, if the water heater is not used for a long time, the water in the liner should be emptied to prevent ice damage to the liner, attention: it is necessary to block the power supply.

5. Different geographical water quality and hardness is not the same, the water heater should be emptied regularly, clean, descale.

6. Clean shell, do not use water directly spray, should be disconnected first, with a soft damp cloth quietly scrub, and then dry with a dry cloth.

Electric water heater purchase 1. Choose a good liner

For the electric water heater, the key to durability is the liner leakage. A good and beautiful electric water heater, the liner leakage, it is finished.

The liner of the electric water heater currently has a stainless steel liner and enamel liner two kinds. The enamel liner and dry enamel liner and wet enamel liner two kinds. The function of the electric water heater liner is water storage, it must have pressure resistance, corrosion resistance, no rust, no water seepage characteristics. Therefore, to buy electric water heater, the key is to choose to use dry lining products.

2. Select products with anti-electric wall technology

Since the use of electric water heaters and consumers' personal safety, so the choice of electric water heaters must focus on safety performance. Electric water heater should generally have grounding protection, anti-dry burning, anti-temperature, anti-overpressure device and other features.

3. Selection of capacity

Capacity selection is mainly to consider the family population and hot water consumption and other factors. Rated volume of 30-40 liters of electric water heater for 2-3 people; 40-50 liters of electric water heater for 3-4 people; 60-80 liters of electric water heater for 4-5 people.

4. Select energy-saving products

Currently, the market boasts a lot of energy-saving electric water heater, then how to see the product section is not energy-saving it? In a word, it is? Look at the energy efficiency labeling? It is recommended that consumers try to choose energy efficiency 1 or energy efficiency 2 electric water heater.

5. Choose insulation products

The main factors affecting the insulation performance is the thickness of the insulation layer and the density of the insulation material, the national standard provides that the foam insulation layer of the best insulation density of 36_/m?, consumers should try to choose the thickness of the insulation layer and the density of the insulation material products.

6. Other features

Similar to the rapid heating, automatic cleaning of the inner liner and other features, are the icing on the cake, so according to their own economic situation to decide whether they need.

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