Coffee Heater with ThermostatThe coffee pot is heated at its bottom by a 2000 Watt heat power source to keep the temperature of the coffee between 190 °F and 200 °F. Initially, the CoffeePot and the Top components are at room temperature (72 °F). The initial temperature of the Coffee is 195 °F. Heat is dissipated to the ambient by convection through the glass.
A thermostat is placed at the top surface of the coffee, which turns the power off if the temperature at the thermostat location exceeds 200 °F in the previous step. The heat power remains off until the temperature in the previous step drops below 190 °F.