Frigidaire Gallery 30'' Single Electric Wall Oven Effortless™ Temperature Probe Take the guesswork out of cooking with the Effortless™ Temperature Probe that shows you the internal cooking temperature of your food. You can set the desired finished temperature and the oven alerts you when that temperature has been reached. Frigidaire Fit Promise We promise that your new 27" or 30" Frigidaire® single wall oven will fit your existing cabinet cutout of the same width and configuration, or we will reimburse you for modification costs. 1 Cleanup is easy with Hidden Bake Lower heating elements are beneath the oven floor, making for a smooth surface that is easy to clean.