Oven doesn’t heat? This video demonstrates how to test a safety valve on a gas oven. The safety valve is often misdiagnosed as the most common problem for a gas oven that doesn't heat. The oven igniter is most often the cause of the problem. Test the igniter first before checking the safety valve.
Other commonly replaced parts for an gas oven not heating are:
Oven igniter Oven control board Thermal fuse
All of the information provided in this part testing video is applicable to the following brands: Frigidaire, GE, Jenn Air, Kenmore, KitchenAid, Magic Chef, Maytag, Thermador, Whirlpool