Top view of double boiler. It has one large bottom container (generally contain hot water) and two small floating container (generally contain tempering material or food). This double boiler is designed in such a way that water in the bottom container will touch the base of floating container. By using the double boiler we can achieve uniform heat transformation in floating container. It is made up of steel. It can be used in the cad plans of star hotel, restaurants, home kitchen and industrial kitchen.