Noel P Grass Valley , CA January 09, 2015 Appliance: Thermador Electric Cooktop TMH45-1 Thermador Cooktop Tmh45-1: Defective burner and terminal block. How to replace Kit, Terminal Block Replacemnt. After watching the video, the replacement was easy, took about 10 minutes. 4 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes