What is the minimum installation height required for the B30IB900SP?

The installation height required is between 84" and 85 3/16" (2134 mm to 2164 mm). A minimum width of 30" (762 mm) and a minimum depth of 25" (635 mm) are also required. Additionally, a minimum clearance of 4" (100 mm) should be maintained at the top. (Page 10)