BLUE SEAL AC SERIES Exclusive, patented, reliable technology. The AC Series offers a brand new heat generation and transmission system of combi steamers that will astound you by it's performance - operating oven temperature can increase one degree per second ! view products > Blue Seal Electronic manual controls with simple key selection cooking modes, quiet operation, low consumption, exceptional reliability and simplicity to use. The AC Series is designed to improve all cooking stages while reducing energy consumption, minimising the need for seasoning, reducing food weight loss, eliminating wastage caused by errors and slashing down-time for kitchen personnel.