Jenn-Air Cooktop Electric Downdraft MODEL# 89889 Grill +. This not so common 18 wide Jenn-Air electric cooktop is fully tested and working. The things to be aware of. This cooktop is used!! But in nice condition. Please expect to find scratches around the surface, stains, cooked on grime, some grease and other signs of wear and tear. The griddle also has scratches, fading and scuffing as well as other signs of wear. The great things about this vintage cooktop. This is a rare one sided cooktop – with interchangeable griddle and grill. Downdraft is one speed and and works as intended. Downdraft comes on automatically when grill turned on. This working cooktop comes with everything shown in pictures. 2 Lava rocks. 2 Grill grates. 1 Downdraft Grill Grate. 1 downdraft filter.