Norman M White Hall , MD May 07, 2017 Appliance: Jenn-Air Electric Downdraft Surface Unit C301-C Jenn-Air Cooktop C301-C: Grates on the 30 year old jennair got a little too hot and melted. How to replace Cerama Bryte Cooktop Cleaner. Called to make sure the part I was ordering would fit. Customer service was great (as I experienced previously) and the items were received two days after placing the order. Thanks! Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes