Greg B Peachtree Corners , GA July 23, 2021 Appliance: Bosch Gas Cooktop NGM8055UC/01 Bosch Cooktop Ngm8055uc/01: Igniter constantly sparked. How to replace Ignition Device (Spark Module). Replaced spark igniter. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes