Bosch HBA23B450/01 Fan Oven Element. Length of element 260mm, Width of element 190mm, Bracket length 50mm, Tags 20mm. This is 2 Turn premium quality replacement element for you cooker also known as round element, circular element, heating ring. Is your fan oven not heating up? Check if temprature light and fan are working if yes then this the element you need to replace. If you need any help on how to replace this element please send us a message. For electrical saftey cooker must be disconnected from electricaly supply while replacing element. Part must be fitted by competent person.