KINGSTON KITCHEN 2 BATH INSTALLATION INSTRUCTIONS Switch Button Instructions: 1. Insert rubber washer on air switch threads, insert air switch through a hole on the counter top. 2. Tighten the plastic nut under the sink counter to ensure well installation. 3. Attach power module to the wall using the attached screws (2 flat screws on top, 1 pan head screw on the bottom) 4.