Mary M Chicago , IL October 30, 2021 Appliance: Bosch Freestanding Gas Range HGS252UC/01 Bosch Range Hgs252uc/01: Oven ignition didn't work. How to replace Ignition Device. I ordered the part from AppliancePartsPros.com and followed the thorough video on your website. In less than 30 minutes my oven was heating up! This is the second time that I've replaced this part. It has saved me so much money. I love your company! Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes