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1. Confirm the type and purification capacity, and purchase products with high cost performance as required
The water purifier is divided into general water quality processor and pure water processor. For consumers, if there is less scale, the hardness of the water to be treated is not high, and only to purify and improve the taste of the water without other special requirements, the general water quality processor should be selected; if the hardness of the treated water is high, the purified water purifier is more suitable to be selected, so as to remove calcium and magnesium ions in the water and reduce the hardness of the water.
If consumers have special needs, they should carefully understand and inquire whether the water purifier has purification capacity and effect on the substances to be removed when purchasing.
2. Confirm the health permit, certification certificate or relevant test report
In the water purifier industry of our country, the access system of sanitation license is adopted, and the water purifier can only be sold on the market after obtaining the sanitation license from the sanitation supervision department. When purchasing water purifiers, consumers need to ask for the production sanitation approval documents from the sellers. When necessary, they need to go to the local health supervision center and relevant websites to check the authenticity. However, the health license only tests the health safety and health function of the drinking water treatment device, and does not evaluate the structural safety and electrical safety. Therefore, when purchasing the drinking water treatment device, the user also needs to ask whether the device has been tested in terms of structural safety and electrical equipment, and ask the manufacturer or seller to provide the relevant certification certificate or test report.
3. Confirm the product instructions (nameplate and instructions)
Instructions for use refer to the information that users convey about how to use the product correctly and safely, as well as the function, basic performance and characteristics of the product related to it. It is usually expressed in the form of instruction manual, label, nameplate, etc. When purchasing water purifiers, consumers should carefully read the product instructions and make clear the product information.
4. Confirm the cleaning method before use
Each water purifier must go through a series of cleaning before getting drinking water, and wash away the impurities and harmful substances in the filter element, so the operation before use is very important. Consumers must understand and understand the operation methods, and contact the water purifier agent franchisee or after-sales service department if necessary. In addition, the water stored in the water purifier for a long time has the potential of drinking health. Therefore, if the water purifier is not used for a long time, the water stored in the water purifier shall be discharged clean before being purified for drinking.
5. Understand the use cost and confirm the after-sales service ability
After sale of water purifier is mainly focused on the replacement of filter element. When purchasing, you should fully understand the replacement time and price of each filter element of water purifier, the way to obtain the filter element and the replacement method. For the water purifier with water storage tank, it is necessary to know the service life, replacement price and replacement method of the water storage tank. When purchasing the water purifier, it is necessary to select a brand with perfect after-sales service.