Device for heating a liquid for a domestic appliance, domestic appliance fitted with said device

The heating liquid's device for domestic equipment, wherein the device comprises connected and is provided with an auxiliary element (3) main body and liquid device (1); the auxiliary element of the main (1), surface for limiting the filter capacitor of liquid; the is characterised of; the main body thermal weight is lower than the aluminium the weight material, and auxiliary element (3) is silk printing in an annular groove (1) is phase to the heater resistor on surface.