After the Spring Festival, the weather is getting warmer every day. At the same time, the annual home improvement season has also arrived. Under the promotion of major businesses, more and more families have invested in the renovation. Of course, the vast majority Most people only make a small part of the house renovation or maintenance, so only some home appliances are purchased.
In the kitchen and bathroom appliances, many people choose to replace a water heater. The electric water heater is also popular with more consumers because of its ease of use. However, in the face of a wide variety of products, how to purchase it is really annoying. I will introduce some tips on the purchase of electric water heaters.
1, choose the right type
Under normal circumstances, electric water heaters are divided into three types: water tank type, outlet open type and outlet closed type. Among them, the water tank type has no liner, the heat preservation performance is poor, and the water discharge amount is also small; the outlet open type continuously supplies hot water by tap water pressure, the water temperature can be arbitrarily adjusted, the water discharge is strong, but the inner liner has low pressure, and is only used for shower; The closed-end water heater is not only showerable, but also can be connected to the bathtub and connected to the kitchen. It is convenient to use.
2, choose the right capacity
When determining the capacity of a water heater, factors such as the family population and the amount of hot water are mainly considered. Singles generally choose 30 to 40 liters, while two to three families should choose 40 to 50 liters. For three or more people, 70 liters or more should be considered. Correspondingly, the larger the capacity, the larger the space occupied by the water heater.
3, choose the right liner
The inner tank can be said to be the core of the electric water heater, which directly determines the service life. At present, the electric water heater liner can be roughly divided into a stainless steel inner tank, an enamel inner tank and a galvanized inner tank. Enamel liners are currently the best choice in terms of corrosion protection, insulation and service life, while stainless steel liner electric water heaters are more expensive, galvanized liners have a relatively short service life and low prices.
4, choose superior security performance
The safety performance of electric water heaters is related to the personal safety of users. Therefore, we must pay attention to safety performance when choosing electric water heaters. Electric water heaters should generally have grounding protection, anti-dry, anti-over-temperature, anti-overpressure devices, high-grade leakage protection and automatic disconnection without water and power-off indication function. In addition, when distinguishing whether the electric water heater is safe, it must not miss an important device - "anti-electric wall". The "anti-electric wall" technology is to reduce the electric water heater current by using the resistance value of the pipeline to ensure the hot water flowing out through the water heater. Does not cause harm to the human body and solves the problem of water charging.
5, choose energy-saving and environmentally friendly electric water heater products
Choose an energy-saving electric water heater to start from three points. Choose products with rapid heating technology; select those products that reach the first and second energy efficiency labels. The energy efficiency rating of electric water heaters means the meaning of energy saving. The first energy efficiency is the most energy-saving product, the fifth-level energy efficiency is the worst energy-saving product, and the second level. The energy efficiency rating is the energy-saving product set by the state. Therefore, consumers are generally advised to choose products with secondary energy efficiency or higher. The energy-saving effect is good, and products that can be smart and energy-saving are selected.
In short, when choosing an electric water heater, it should be done not only to look at the appearance, but also to consider a variety of aspects, especially the "safe" performance should be the most basic standard.
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