Frank P Parsippany , NJ March 17, 2015 Appliance: Model BOSCH 800 SERIES GAS RANGE No ignition for all 5 burners Replaced the igniter module. To disassemble, uses socket to remove nut for each burner. Pull off burner control knobs. Top housing slides off. Take a picture of old module wiring before rewiring new module. 4 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes