The invention provides a liquid heating ware overheating protection controller assembly, which comprises a controller body, wherein the upper surface of the controller body is provided with a monolithic connected double braking thermosensitive bimetal actuator; the monolithic connected double braking thermosensitive bimetal actuator is to form two brake units of relatively independent parallel connection bodies on a bimetal sheet; the edge lines of the two brake units are separated from each other; off-unit auxiliary connection parts are arranged between edge lines adjacent to the two brake units; the off-unit auxiliary connection parts are positioned outside the edge lines of the two brake units and effectively ensure that the two brake units form the monolithic connected double braking thermosensitive bimetal actuator; and the corresponding controller body is provided with two sets of switch contacts and each set of switch contacts are matched with the corresponding brake unit.