Josh K Ann Arbor , MI March 08, 2016 Appliance: Bosch GE010-010 Bosch Ge010-010: My front burner gas lines had breaks in them and needed to be replaced. How to replace Orifice Holder Rf. I ordered the two new gaslines, opened up the lid of my range, and replaced them. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes