Kenneth J Brownsboro , AL August 30, 2015 Ge double oven lower oven wouldn't cycle off temperature just kept going up Purchased thermostat from Appliance Parts Pros. Installed easily - a jillion sheet metal screws, is all. Recommend use a magnetic parts tray to keep them from disappearing in the kitchen... The thermostat controls the heat and fan in the lower oven. Believe it was ruined when it got banged with bakeware. Hardest part was removing the oven from the cabinet. Read More... 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours Tools: Nut Drivers, Screwdrivers