Electric water heaters, everyone is familiar, but you may not know, electric water heaters may also become a safety hazard.
In November 2011, Xiaolin of Shiyan City, Hubei Province suffered from burns during bathing.
In November 2012, when Ms. Li of Shapingba, Chongqing was taking a bath, the water heater suddenly exploded, causing her body burn area to reach 40%...
The household electric water heater is a heated pressure vessel. Its pressure mainly comes from the water pressure and the expansion of steam generated during heating. If the pressure relief valve of the electric water heater fails, the pressure may be too large, and the explosion may occur.
Want to prevent the production of injuries
When consumers buy and use electric water heaters
What should you pay attention to?
Pay attention to the following when purchasing an electric water heater:
1, check the appearance. The outer surface paint should be uniform, bright color, no shedding, no dents or severe scratches, no extrusion marks, etc.; various switches, knobs are beautiful in appearance, fine processing; control panel and other writing should be clear; The plug is securely wired and has no contact problems.
2, anti-counterfeiting. Counterfeit and shoddy products often use counterfeit trademarks and packaging or the assembly brand to impersonate imported original goods. Such products generally have a rough appearance, and are prone to safety hazards after power-on.
3. Check the certificate. Select the product that has been compulsory with the CCC mark after the national compulsory certification, and pay attention to whether the product has the product certificate. In addition, check the product logo, specification model and trademark are consistent with the product specification.
Pay attention to the following when using an electric water heater:
1. When using an electric water heater, it must be noted that the power supply must have a reliable grounding wire, and the household power supply system must have a leakage protection device;
2, use a fixed-size matching three-eye socket, and the phase line, neutral and ground connection position is correct; the position of the power socket should be set where the water can not be splashed, and use a splash-proof socket;
3. Conduct a leak test on the water heater regularly. If it cannot be disconnected normally, please contact the professional maintenance personnel immediately.
4, in a year of use, it is best to find a professional to clean the scale, otherwise it will corrode the inner tube of the heating tube and the metal parts of the heating tube. After a long time, its inner wire will leak out, it may be charged. , security has hidden dangers.
In addition, experts reminded that in coastal areas and other places where water quality is relatively poor, the erosion is greater, so the service life of electric water heaters will be shorter, and it is generally considered to be replaced within 6 years.