Gas burner would light but not stay lit John A. • Medford, MA • December 08, 2014 My Repair & Advice 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. Was this review helpful to you?