Selection standard of electric water heater
Two, capacity selectionCapacity selection mainly considers factors such as family entrance and hot water usage. An electric water heater with a rated capacity of 30-40 liters is suitable1-2 consecutive bath use; 40-50 liters of water heaters suitable for 2-3 consecutive bath use; 70-90 liters of water heaters suitable for 3-4 consecutive bath use.
3, insulation effect choiceThe main factors affecting the thermal insulation effect is the thickness of the insulation layer and insulation material density, consumers should try to choose a moisturizing layer thickness and material of high density insulation, can be selected according to the manufacturer manual contrast.
2. Selection of safety devicesGenerally, electric water heater should be protected by makeup, anti dry, over temperature and over pressure. The top grade also has the function of leakage protection and automatic disconnection of water and additional power failure indication.
Type selection1, the choice of linerThe highest grade, the longest is stainless steel, enamel liner, liner coated galvanized cured resin titanium liner, which is the mainstream product of electric water heater market, the tank is of high strength, high temperature resistance, corrosion resistance, stable performance, horizontal, vertical selection; enamel liner, the inner surface of the enamel non metallic materials, not rust, no scale, thick steel plate, there is strong pressure capacity; high glaze steel liner, is the highest level of inner enamel, not only a good anti-corrosion, there is a certain heat preservation effect, can be used for a long time
