Patent attributes
The present invention discloses an electrical water heater including a container body which is adapted to contain a predetermined volume of water, a heating unit mounted to the heater body for heating the water, and a temperature control unit for operating the heating unit to heat the water. The temperature control unit includes a temperature adjuster for setting a heat-up temperature of the water, a thermal sensor for instantly monitoring a temperature of the water, a controlling circuit electrically coupled to the thermal sensor and the temperature adjustor for comparing the heat-up temperature and the temperature, whenever the temperature and the heat-up temperature are not matched, the controlling circuit is capable of outputting an operative signal to heating unit to manage a heating process.