As of February 2015, replacement parts for a gas wall oven are available online at SearsPartsDirect.com and AppliancePartsPros.com. Some oven manufacturers, such as GE Appliances, also sell replacement parts for their brands online.
SearsPartsDirect.com carries parts for 30 brands of wall ovens, including Admiral, Maytag, Tappan and Kenmore, and it has a convenient chat feature. AppliancePartsPros.com has a repair help section with troubleshooting tips and a forum where consumers can ask repair questions for free. Owners of GE ovens can schedule service or view installation tips and videos at GEAppliances.com. Use and care manuals and energy guides are also available for download here.