selected e g by depressing a momentary switch mounted on the control panel and provided that the lid is open the control system energizes the cold water valve for 7 seconds as a result cold water flows into the wash tub the system provides temperature control yet limits the number of valve cycles during a fill even with extreme water temperatures even with such cycle limitations the control provides the desired temperature control application_number US 34025999 A description fig1 is a perspective view of an exemplary washing machine 20 washing machine 20 is shown for illustrative purposes only and not by way of limitation washing machine 20 includes a cabinet 22 having a washer cover 24 and a lid 26 is pivotally mounted to washer cover 24 supports 28 are secured to cabinet machine 20 also includes a control panel 30 having washing control knobs 32 34 36 and 38 and a timer knob 40 a wash tub is mounted within cabinet 22 and the wash tub is supported by a suspension system washing machine 20 may for example be a washing machine commercially available from general electric company appliance park louisville ky 40225 the automatic temperature control described below in detail could be utilized in connection with many different types of washing machines and is not limited to practice in connection with any one particular washing machine in one specific embodiment the automatic temperature control system includes a logic board with a microprocessor relays.