Gecko in.k336 Overlay [Up, Down, Pump1, Light, Program] (9916-101749) waterlevelers A rectangular DE grid helps

A rectangular DE grid helps support diatomaceous earth filtration inside a compatible filter assembly

and EcoStar pump applications

Timers like this are useful when recurring equipment cycles need to happen consistently without manual switching

An air injector is useful because it helps introduce air into the supported water feature or circulation path

Gecko in.k336 Overlay [Up, Down, Pump1, Light, Program] (9916-101749) waterlevelers A rectangular DE grid helpsThe Gecko in. k336 overlay is designed for compatible topside control applications where the original button label surface needs replacement. An overlay is useful because it helps keep the control functions clearly identified while restoring the finished appearance of the panel, supporting easier spa operation and better day to day usability. This replacement is especially useful when the original overlay is cracked, faded, peeling, or no longer