a second contact assembly of centrifugal switch 19 contact 56 is connected to contact 57 when the dryer drive motor 72 reaches rated speed terminal 28 of door switch 26 is connected to line terminal 29 which is connected to l 2 the other side of the 220 240 volt supply terminal 14 is connected to timer motor 30 and to voltage dropping resistor 31 which is connected to terminal 57 of centrifugal motor switch 19 terminal 13 of timer switch 11 is connected to terminal 36 of temperature selection switch 35 terminal 38 of switch 35 is connected to high temperature thermostat 39 which is located in such location so as to sense the outlet temperature of air leaving the dryer 70 and terminal 37 is connected to low temperature thermostat 40 which also senses outlet temperature of air leaving the dryer 70 both thermostats 39 and 40 are connected to high temperature inlet thermostat 41 the operator chooses which of the thermostats 39 or 40 will be in control during the drying operation and in this instance the thermostat 39 high temperature is in control centrifugal switch terminal 22 is connected to terminal 33 of relay switch 32 which is connected to terminal 34 of relay 32 when the coil 44 of the relay.