4083 8 Ounce Replacement Popcorn Kettle For Great Northern Popcorn Poppers Replacement Kettle for Great Northern Popcorn 8 Ounce Popcorn Machines with removable lid. Stainless Steel 8 oz. Kettle, includes handle and black 3-prong power cord style plug. Side hinged design that is easy to clean and empty. Easy installation- simply remove your existing kettle and plug into the roof of your popcorn machine.