Michele C Huntington , NY January 12, 2015 Appliance: Thermador New Electric Coil Tmh Cooktops TMH36GB Thermador Cooktop Tmh36gb: The switch of a 55 year old thermador cooktop burnt out. How to replace Switch, R/S Infinite Control. Found the part of Appliance Parts pro.com (can't believe there are still parts for this 55 year old appliance!!!), opened the cooktop, removed wires, old switch - wires were not in good shape, but we were able to cut and repair - replaced switch after using tools to remove a bolt that prevented seating of the switch, reconnected wires. 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours