Dean J Bremerton , WA February 11, 2020 Appliance: Thermador Gas Cooktop SGS30S Thermador Cooktop Sgs30s: Broken jet holder and burner tube on a older thermodor cooktop common problem from what i read. How to replace Jet Holder W/Nut, (9,100 Grn). Replace parts to include burner tubing 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours