The Balboa 10318 is a 2-button self-adhesive overlay designed for auxiliary topside control panels, which are secondary panels located around the spa to control specific jets or blowers without returning to the main control.
Compatible Topside Control Panel
This overlay fits the Balboa AX20 and AX40 series auxiliary panels, as well as specific duplex auxiliary units.
Topside Model: Auxiliary 2-button panel (e.g., model 51216).
Dimensions: Approximately 4.5" x 2.25".
Button Configuration: Features a simple 2-button layout, typically used to control Jets 1 and Jets 2, or a combination of Jets and Blower.
Spa Manufacturers Using This Part
As a standardized auxiliary part, it is found in mid-to-high-end spas that feature multiple control locations. Brands that frequently use Balboa auxiliary systems include:
Master Spas: Used in many dual-pump and high-jet-count models.
Cal Spas: Frequently incorporates auxiliary panels for convenient jet control from different seats.
Marquis Spas: Often uses Balboa auxiliary units for their high-performance lines.
Coast Spas: Utilizes auxiliary controls in their larger, feature-rich portable spas.
Artesian Spas: Commonly found in models with complex multi-pump configurations.
