Glen F Wingdale , NY December 26, 2024 Appliance: Kenmore Gas Range 79074132312 Kenmore Range 79074132312: Bottom burner of my oven did not ignite. How to replace Valve. Replaced gas valve. Bottom flame too high. Since my oven is LP, I had to tighten the orifice on the valve ! 1/2 to 2 turns. Now works like new. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes