By Bracha Schwartz | April 22, 2021
You can’t cook on Shabbos but you can use your oven if you have one with a Sabbath mode. Sabbath mode has become an increasingly prominent feature of new ovens that is supposed to let users keep food warm on Shabbos and cook on Yom Tov. But there’s still a problem: The way most Sabbath mode systems are designed, you can only open the oven once on Shabbos.
GE Appliances has solved the problem by making a device called Shabbos Keeper in conjunction with ZMAN Technologies of Clifton, New Jersey. When attached to a compatible GE Appliance refrigerator or oven, the Shabbos Keeper regulates the appliance according to a calendar of Shabbos and Yom Tov days and times programmed until 2050. The Shabbos Keeper was made first for GE Appliance refrigerators and has just been introduced for selected range ovens. The Shabbos Keeper regulates the heating element so that the oven door can be opened and closed as many times as necessary.