Dimension One Spas M-Drive Control Panel 8000-D19. Factory replacement M-Drive Control Panel Used on most Bay and Reflections series spas from 2007-2014. With a large, easy-to read display and simple navigation buttons, it was immediately added to the Reflections Series of D1 Spas in 2008. It eventually replaced the 01580-0001 Dimension One Spas Upper Control Panel. Will run multiple pump systems. Keypad is Rectangle w/Rounded Sides and LCD Display. Keypad measures 12.5" x 3.25". 11 Button menu driven touchscreen. This keypad is compatible with the following series/system(s) - Dimension One Proprietary By Gecko. Also found in the following spa models - Dimension One Models Sarena Bay starting S/N 135622 | Lotus Bay starting S/N 135295 | Dupree Bay starting S/N 135200 | All 2007 to current Reflections (except Arena) after S/N 142595 | 2008 to current AFS are equipped with M Drive.