What cabinet dimensions and support are required for the HBL5751UC oven?

The cabinet base must be flat and capable of supporting the weight of the combination oven up to 429 lbs (195 kg). For oven support, install 2x4s extending front to back flush with the bottom and sides of the opening, and the supporting base must be well secured to the floor/cabinet and level. Allow at least 1/4 inch (6.4 mm) space between the side of the oven and any adjacent wall or door.