How does Cool-Zone fryers work?

Cool - Zone fryer (stainless steel) differs from the traditional deep fryers for the position of the resistance that is set inside the tub, in the oil. Its location allows a reduced heat dissipation, and a reduction of the time oil heats in order to reach the desired temperature. It is called "cool-zone" because of the cold zone generated inside the tub. Hot oil tends to surface while the one which remains on the bottom, below the heating element, it is colder and guarantees food particles to fall and to settled on the bottom while cooking so they will not burn. This feature lets the oil to remain clean longer and prevents the diffusion of bad flavors and odours.