What kind of water heater do you buy? Buy gas water heaters, some people worry about leaks; buy it, and some people worry about getting an electric shock, solar water heaters the safest, but I do not know the installation will not be too much trouble. In fact, each of the three types of water heaters has its own advantages and disadvantages. When buying, it should be weighed according to its own individual circumstances. It is best to leave the pipelines at the same time as the decoration.
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Gas water heater needs high pressure
The energy used by gas water heaters is combustible gas, which can be divided into vertical, flue, strong, and balanced types. Straight-line water heaters can cause personal injury accidents and have been banned from production.
Flue-type water heaters: Flue ducts must be installed during installation. Pay attention to the smooth exhaust passage of the flue to prevent backward pouring.
Forced water heaters: During operation, the fumes are forcibly vented outside, but the oxygen required for combustion is still taken from the room.
Balanced water heaters: neither consume nor pollute indoor air. However, the installation of such a water heater requires a reserved passage like air conditioning.
Advantages: fast heating, large amount of water, stable temperature, less scale, and small footprint, not subject to water control.
Disadvantages: Startup water pressure is high. Users who live at high levels cannot start without a booster pump. Holes are arranged on the wall to arrange air fans. Different gas types, burner shape, nozzle size, and gas passage cross-sectional area are all Different.
Electric water heater necessary electric shock protection device
At present, electric water heaters on the domestic market are mainly water storage water heaters, which are divided into closed and open type. The open type water heater tank is not pressure resistant and can not supply multiple water at the same time; the closed type electric water heater tank can withstand pressure and can supply multiple water supplies at the same time.
Advantages: Can adapt to any weather changes, ordinary families can be directly installed and used, long-term electricity can be a large flow of hot water supply. Most electric water heaters currently on the market are also equipped with electric shock protection devices.
Disadvantages: It is bulky, takes up a lot of interior space, is prone to scaling, and is a waste of energy. The latest type of electric water heater incorporates an anode magnesium rod descaling device, which solves the problem of easy scaling of the product. However, anode magnesium rods must be replaced once every two years, causing maintenance troubles.
Solar water heaters need to add heat function
At present, the solar water heater with the highest level of technology is a vacuum collector solar water heater.
Advantages: safety, energy saving, environmental protection, and economy. In particular, solar water heaters with auxiliary electric heating function, which is mainly solar energy, supplemented by energy use of energy, so that solar water heaters can be used throughout the year, all weather.
Disadvantages: First, it is inconvenient for low-level tenants to use; second, installation is complicated. If it is improperly installed, it will affect the appearance and quality of the housing and the appearance of the city. Third, the maintenance is more troublesome because solar water heaters must be installed outdoors, and most of them are on the roof or roof.
Purchase guide
1. Solar water heaters must pay attention to "aftermarket" services. Because solar water heaters should be placed on the roof, wind and rain for many years, if manufacturers can not repair on time, it will cause great losses.
2. Gas water heater installation is the most important. The installation and modification of the burning appliances must be professionally trained and carried out by qualified personnel who are qualified by the competent authority.
3. The electric water heater is selected inside. The material and thickness of the water heater liner and the welding process determine its life. In addition, the design of the round cans is the most uniform and the most able to withstand the high pressure.
4. Practical advice: If the bathroom is far from the kitchen, it is recommended to install two water storage type electric water heaters, one in the bathroom and one in the cabinet. If the family has large daily hot water usage, or needs multiple water supply, and the kitchen is close to the bathroom, it is recommended to choose a gas water heater with a slightly larger water supply.
Links: Qijia Niujie pointing gas water heater installation guide
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