Installation Instructions Installation — 30" (76.2cm) Model: BIC 304 % Cook top Dimensions (Top) Width B. Depth C. Height 4. *DO NOT obstruct these areas. Junction box IMPORTANT: For perfect Vent ventilation, provide a vent of under the counter top, in the front of the cabinet and in the back of the cabinet. The ventilation opening is to Min.: 19.87" (508) extend the full length of the Max.: 20.06" (510) cook top cutout. 45" (114) Front Min.: 28,56 (750) Max.: 29.