A coffee maker for domestic use comprising a dispensing group, for example of the E61 type, suitable to be connected to a first heating group of a first fluid, wherein the dispensing group comprises: A) a group body on which a filter holder is removably mountable and in which a first chamber provided with an inlet mouth and an outlet mouth, a second chamber, and a third chamber suitable to house the filter holder, are formed fluidically in a cascade; B) sealing means, partially housed in the first chamber and in the second chamber, so as to block the flow of the first fluid between said first chamber and second chamber, said sealing means being configurable between an open position, in which the first chamber is in fluid communication with the third chamber, and a closed position, in which the first fluid is suitable to flow inside the first chamber entering from the inlet mouth and coming out of the outlet mouth; and C) command means comprising a cam housed in the second chamber, the cam being rotatable so as to selectively engage the sealing means by positioning them in the open position or in the closed position, and wherein the coffee maker further comprises: i) a fluid inlet conduit fluidically connected to the inlet mouth and suitable to be connected to the first heating group; ii) a fluid outlet conduit fluidically connected to the outlet mouth and suitable to be connected to the first heating group, the coffee maker being characterized in that the second chamber is provided with an auxiliary mouth fluidically connected to an auxiliary conduit connectable to feeding and/or suctioning means for a second fluid, wherein the first heating group or a second heating group is configured to heat said second fluid. A) a group body on which a filter holder is removably mountable and in which a first chamber provided with an inlet mouth and an outlet mouth, a second chamber, and a third chamber suitable to house the filter holder, are formed fluidically in a cascade; B) sealing means, partially housed in the first chamber and in the second chamber, so as to block the flow of the first fluid between said first chamber and second chamber, said sealing means being configurable between an open position, in which the first chamber is in fluid communication with the third chamber, and a closed position, in which the first fluid is suitable to flow inside the first chamber entering from the inlet mouth and coming out of the outlet mouth; and C) command means comprising a cam housed in the second chamber, the cam being rotatable so as to selectively engage the sealing means by positioning them in the open position or in the closed position, and wherein the coffee maker further comprises: i) a fluid inlet conduit fluidically connected to the inlet mouth and suitable to be connected to the first heating group; ii) a fluid outlet conduit fluidically connected to the outlet mouth and suitable to be connected to the first heating group, i) a fluid inlet conduit fluidically connected to the inlet mouth and suitable to be connected to the first heating group; ii) a fluid outlet conduit fluidically connected to the outlet mouth and suitable to be connected to the first heating group, the coffee maker being characterized in that the second chamber is provided with an auxiliary mouth fluidically connected to an auxiliary conduit connectable to feeding and/or suctioning means for a second fluid, wherein the first heating group or a second heating group is configured to heat said second fluid.