Device and method for continuous heating of liquids at a constant temperature

The invention relates to a liquid convex plate household, particularly of a first to the constant temperature to the coffee device, comprising a room temperature water tank (1) and pump (2), wherein power supply by a heating body of stop-go controller (3) and a target temperature user liquid outlet (15). The device comprises a regulating of the pump (2) to the side of a of heating body (3) cold water, a liquid and device for controlling the heating body (3) flows out (16, 22 and 24) and a of the water is not achieved the minimum preset operating temperature of a water cycling of the heating body (3) flows out of the water tank (1) or the pump (2) inlet side device (16a, 29 and 28), wherein the device further provided with a water control the temperature of the heating body (3) flows out. The device (15) is provided with a fixed valve of user liquid outlet (4).