Abstract: A dispenser control system for a washing machine having at least one electrically operated device includes a controller; at least one fluid transfer mechanism in communication with said controller and in fluid communication with said washing machine; a magnetic field sensor removably connected to an exterior housing of said electrically operated device, said connection made by a surface mount mechanical connector; and means for communicating a signal from said magnetic field sensor to said controller, said signal generated by said magnetic field sensor in response to detection by said sensor of a magnetic flux generated by said electrically operated device outside of said housing of said electrically operated device.