Range cooker gas cooker freestanding cooker standard width 90 cm energy rating a hob type gas capacity 76 litre heating types conventional grill features telescopic rails oven light controls knobs functions minute minder safety feature flame safety device number of burnerszones 5 size medium number of ovens 2 width 896 cm number of shelves 5 manufacturer specific features easy clean enamel second oven capacity 42 litre types of burnerszone