John A Medford , MA December 08, 2014 Gas burner would light but not stay lit Ordered a new thermocouple which was easily replaced. I watched a "how to" replace a pressure regulator on ApplianceParts web-site. That wasn't exactly my repair but it gave me courage! This was a 20 year old Gaggengau stovetop. Read More... 3 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes Tools: Adjustable Wrench, Screwdrivers