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家用热水器是一种方便、卫生、实用的沐浴设备,深受城乡人民的喜爱。选购时可根据供能和居住条件来确定种类,按照节能和安全的原则来选择型号。电热水器的优点是操作简便、干净、无气味,但美中不足的是加热的最低功率是1000瓦,否则难以及时提供足够的水温,而家用电表通常为2.5～3安培,其负荷量一般在700瓦以下,安装电热水器时需要增容。此外,电热水器分为内热式、外热式两种。内热式是将电阻丝置于金属管内,比较安全,但发生故障不易维修,使
Household water heater is a convenient, sanitary, practical bathing equipment, loved by urban and rural people. When the purchase can be based on energy and living conditions to determine the type, in accordance with the principles of energy saving and safety to choose the model. The advantages of electric water heater is easy to operate, clean, odorless, but the fly in the ointment is the minimum heating power is 1000 watts, or difficult to provide adequate water temperature in time, and household meters are usually 2.5 to 3 amperes, the load is generally 700 watts The following, the installation of electric water heaters need to increase capacity. In addition, the electric water heater is divided into internal heat, external heat two. The internal thermal resistance wire is placed in the metal pipe, safer, but the failure is not easy to repair, so that