Whirlpool 36-in 5 Burners Smooth Surface (Radiant) Stainless Steel Electric Cooktop. FlexHeat Dual radiant element – get two elements in one with a 6-in inner ring that’s great for smaller pots and pans and a 10-in expandable outer ring that makes room for larger cookware. Easy-wipe ceramic glass cooktop – wiping up spills is simple. Warm zone element – keep food warm while you’re finishing the rest of the meal using this low-powered element. Installable Over Wall Oven.