Dish washing machine using induction heating

A method of washing dishes comprising:

• providing a housing having an interior wash space for receiving dishes;
• adding initial water to a dish washing machine;
• delivering the initial water to a first water tank;
• heating the initial water in the first water tank with a first heating system to form heated initial water;
• supplying the heated initial water to at least one spray nozzle;
• spraying the heated initial water onto the dishes positioned within the interior wash space;
• delivering the heated initial water from the interior wash space to a second water tank;
• heating the heated initial water in the second water tank with a second heating system to form heated wash water;
• delivering the heated wash water to the at least one spray nozzle;
• and
• spraying the heated wash water into the interior wash space;
• wherein at least one of the first heating system and the second heating system heats water through induction;
• and
• wherein at least one of the first heating system and the second heating system comprise a stainless steel shell with a positive temperature coefficient heating array located therein, the positive temperature coefficient heating array comprising a plurality of positive temperature coefficient heating elements, with a temperature sensor being connected to a heater cover;
• and the method further comprises measuring, a temperature of the first heating system with the temperature sensor to maintain the temperature of the first heating system under a predetermined temperature.