ELECTRIC HEATER

An electric heater, comprising a heating element, a heat transfer wall and a control module; the electric heater comprises a fluid chamber, an inlet, and an outlet, the fluid chamber being in communication with the inlet and the outlet, the heat transfer wall being a portion of a wall part forming the fluid chamber, the heating element being fixed or limited to at least a portion of the heat transfer wall, the heating element being located outside the fluid chamber, and at least a portion of the heating element being provided to be in contact with the heat transfer wall; the electric heater comprises a cover body wall, which is another portion of the wall part forming the fluid chamber, the control module being located outside the cover body wall, the control module being located outside the fluid chamber, the control module being electrically connected to the heating element. By means of the arrangement of the heat transfer wall and the cover body wall, the influence of the heat generated by the heating element on the control module can be reduced.