Roseanna M North Tonawanda , NY October 05, 2015 Appliance: General Electric Gas Range PGB908SEM1SS Ge Range Pgb908sem1ss: Burner knobs were burnt (don't know how that happened) and burner caps were scraped and in bad shape. How to replace Gas Cooktop Burner Cap Assembly. Ordered new parts and I received them, amazingly, the next day! Wow! Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes