The Universal steamer makes the perfect addition to the Classic pans. It is a kitchen essential for cooking the healthy way. The steamer fits the 16, 18, and 20cm saucepans. Note : image shows steamer in saucepan. Saucepan for illustration only, not included. Getting the most from your induction pans All of our John Lewis induction pans are tested to the British and European standards for safety and performance. To ensure the functionality of induction pans, it is important to make sure the magnetic circuit with the hob isn't broken by: Making sure the size of the pan base is no smaller than the hob ‘ring' Using pans with a flat base Not lifting the pan off the hob top continuously Giving coated and aluminium pans with steel bases more time to heat, as the aluminium sides do not heat directly from the hob