1.1 This specification covers food cookers and food reheaters which use steam as the heat source. These units are also known as steamers, steam ovens, and steam cookers which utilize steam generated by gas, electric heat, or steam coil sour This specification covers food cookers and food reheaters which use steam as the heat source. These units are also known as steamers, steam ovens, and steam cookers which utilize steam generated by gas, electric heat, or steam coil sources, or a combin