| Manufacturer |
Balboa Water Group |
| Model |
ML900 |
| Buttons |
12 |
| Topside Part Type |
Label |
The Balboa 40026 is a 12-button self-adhesive overlay designed for the ML900 series topside control panel.
It is primarily used in large, high-end spa systems that require control for up to three jet pumps and an air blower.
Compatible Topside Control Panel
This overlay fits the rectangular, oblong-shaped Balboa ML900 series panel.
- Topside Model: ML900 (often used with control systems like the Balboa GL8000 or EL8000).
- Dimensions: Approximately 11-5/8" x 3-1/8".
- Replacement Status: Some retailers note this specific model has been discontinued and may be replaced by the similar 11806 overlay.
Button Configuration
The 40026 overlay features a 12-button layout organized around a central LCD screen cutout:
- Left of Screen (4 buttons): Time, Mode/Prog, Warm, Cool.
- Right of Screen (8 buttons): Jets 1, Jets 2, Jets 3, Option (top row); Invert, Fiber, Light, Blower (bottom row).
Spa Manufacturers Using This Part
Because it is a standardized premium Balboa part, it is found in large-capacity hot tubs from several manufacturers:
- Master Spas: Frequently used in their high-jet-count series and H2X swim spas.
- Cal Spas: Found in multi-pump configurations.
- Coast Spas: Utilized in their largest portable spa models.
- Marquis Spas: Found in premium lines requiring advanced digital control.
- United Spas Mfg Inc.: Uses Balboa equipment in their larger 7x7 models.
