Check the listing for details. Kohler Automatic Transfer Switch- Touchpad Interface Board for MPAC 1500 control. Condition: Used. Listed at 420.00 USD. Kohler Automatic Transfer Switch- Touchpad Interface Board for MPAC 1500 control. PN# GM46892Does your controller act locked up? With continued use, the switches on these pads can fail over time. The Factory fix is to replace the entire controller when all you need is just a replacement touchpad board. This is a used touch pad which plugs into the logic board of the first generation Kohler MPAC1500 control. You will receive the touch pad board only, the picture of the working energized LCD behind the touch pad is for reference only. The LCD board is not included. Fully functional and tested. (Note: if your existing MPAC Controller has a USB port on the front of the touchpad then this part is not compatible with your transfer switch.)