Gecko IN-K300 4-Button Topside [P1/Lt/Up/Down] [w/Overlay] (0607-008039) pooltool An internal like this is

An internal like this is useful because it refreshes both the visible face of the jet and the user-facing output behavior in one replacement part

An internal air bellow helps transfer pneumatic pressure within a compatible air-button assembly

This Square Style 1 O-Ring [2-3/16" ID] (236950) is engineered for o-rings applications

1/4 pound air configuration supports intended flow control

and UPS800 applications

Gecko IN-K300 4-Button Topside [P1/Lt/Up/Down] [w/Overlay] (0607-008039) pooltool An internal like this isA topside panel helps provide direct control of compatible spa functions from the mounted keypad location, and this Gecko IN K300 version is designed in a 4 button format for Pump 1, Light, Up, and Down functions and includes the overlay using the 0607 008039 reference. When a topside panel becomes hard to read or unresponsive, both control access and visual clarity can decline together. The included overlay gives this unit practical value because it