DESC: Summit Professional brings the classic designs and durability of stainless steel to apartment sized ranges, with their?20 and 24 inch models. These models are all made in the USA , and have much larger ovens than most competing products. Their ovens are fully porcelain, as are the tops, manifolds and burner boxes. Summit stainless steel ranges also have oven windows and lights, and clocks with timers. Gas models all have sealed burners and electronic (spark) ignition, and electric models are 220 volts.