To Tantalizing the internal Drain Location of the Drain in Cabinet Bottom 1. The: Drain Kit must be installed on the bottom of the wall case prior to installation of case in wall. Location should not bani an area of chassis supports or molded ribs (molded case only: Note: On wall cages Using a sub-haj, location ot drain should be at least 3” from front edge of wall sate, 2. Alter location of Drain Kit is determined, locate and all 3: holes per template. (Fig. 1).