The in.k300 panel is designed to interface with Gecko control systems using their proprietary "in.link" plug. It is compatible with:
Gecko Y Series Systems (e.g., in.ye, in.yj, in.yt)
Gecko XE Systems
Spa Brands That Have Used This Part
Because Gecko is a major supplier in the spa industry, this control panel (or the system it connects to) is widely used by many hot tub manufacturers as an Original Equipment Manufacturer (OEM) or approved replacement part. Brands known to use Gecko components include:
Dynasty Spas (an optional overlay may be needed for some specific models)
Master Spas (cross-references to part number X310338)
Jacuzzi
Artesian Spas
Wellis (cross-references to part numbers ACM0773 or ACM0778)