Balboa TP500 6-Button Topside [w/o Overlay] (G8450) pumpmotorparts A lock ring like this

A lock ring like this is useful because it helps secure related components within the assembly

and this Jacuzzi Magnum diffuser is designed for compatible R and P 0

Generic O-Ring [15-11/16" ID] [3/8" CS] O-488 (O-488) is a replacement O-ring from Generic for compatible pool

and part number 48WTC0153C-I

Balboa TP500 6-Button Topside [w/o Overlay] (G8450) pumpmotorparts A lock ring like thisA six button topside can bring a feature rich spa back to a more intuitive and dependable daily experience, and this Balboa TP500 6 Button Topside is designed for compatible applications where the original panel has become unresponsive, unreliable, or visually tired. When the main interface stops feeling trustworthy, even a spa that still runs can feel less enjoyable. The no overlay format gives the installer the flexibility to match the final visible