The pressure switch is a round item about 3 inches across with several wires connected. It sits under the top cover. Its an air operated switch which tells the machine water has reached the correct level. It has a thin rubber pipe attached which runs to a pressure vessel at the base of the drum.
Thermostat or thermistor isnt much bigger than a 10p coin, wiring attached but no rubber tube.
Repair and service your own washing machine. Go to www.2ndwave.co.uk/manual.html
