Balboa TP400T Temp/Jet/Light/Aux Overlay (12511) transformers A part like this is

A part like this is useful because it restores both the scale and the premium look of a larger visible jet face while maintaining directed output performance

PresAir Trol threaded 3-function switch with black cam and 2 microswitches

Improves comfort and usability in everyday spa use

OEM-quality parts

It is an effective way to address internal wear that is reducing jet force or overall circulation strength

Balboa TP400T Temp/Jet/Light/Aux Overlay (12511) transformers A part like this isA topside overlay helps keep the control area readable and easy to trust, and this Balboa TP400T Overlay is designed for compatible Temp, Jet, Light, and Aux applications where the original face has become faded, peeling, or hard to read. When the labels on a frequently used panel wear down, even a working topside can feel older and less dependable than it really is. The Temp, Jet, Light, and Aux layout gives this overlay its practical value because