Household electric water heaters

The utility model discloses a household electric water heater, comprising a water tank, an electric heating pipe, more than one sluice valve and a multi-channel linking pipe. The multi-channel linking pipe is a three-way pipe or a four-way pipe. When the three-way pipe is adopted, the first end port of the three-way pipe is connected with the bottom of the water tank, the second end port is connected with a cold water tank above the water tank via one sluice valve, and the third end port forms an outlet for hot and cold regulation via one sluice valve. The structure of the three-way pipe is suitable for the region having electricity but no water. When the four-way pipe is adopted, the first end port of the four-way pipe is connected with the water bank bottom, the second end port is connected with the top part of the water tank, the third end port is connected with a running water pipe via one sluice valve, and the forth end port forms an outlet via one sluice valve. The structure of the four-way pipe is suitable for the region having electricity and also water. The utility model is convenient for observing water level of the water tank, and a vertical water level sign pipe is arranged. The bottom of the vertical water level sign pipe is connected with the bottom of the water tank. The utility model has the advantages of simple structure, utility-type, low cost and good effect. The household electric water heaters is suitable for the region having electricity but no water or the region having electricity and water, in particular for the people living in the countryside or the town with lower living standard.