Balboa ML900 12 Button Overlay(Designer Spas logo).
Button configuration Time, Warm, Mode, Cool are on the left side of the screen and Jet 1, Jet 2, Jet 3, Option 1, Invert, Option 2, Light and Blower are on the right hand side of the screen.
The Balboa ML900 Overlay is a replacement adhesive keypad decal designed to fit the 12‑button Balboa ML900 topside control panel. This overlay restores button labeling, protects the keypad surface, and ensures correct operation of spa functions such as jets, lights, temperature, and mode settings.
The ML900 overlay is compatible with multiple Balboa EL/GL control systems and fits standard ML900 keypad dimensions (approx. 297 × 81.5 mm). Different button‑layout versions (9, 10, 11, or 12 buttons) may be required depending on spa model