Balboa VL402 4-Button Topside [w/o Overlay] (G8242) air switch A dependable multiport valve helps

A dependable multiport valve helps keep the system easier to operate

more standardized wiring layout

this parts bag helps support more organized ozone maintenance and contributes to better repair completeness overall

this wet end helps restore stronger flow and gives the pump a more dependable operating feel overall

Balboa VL402 4-Button Topside [w/o Overlay] (G8242) air switch A dependable multiport valve helpsA well matched topside panel helps make the spa feel easy and dependable to use again, and this Balboa VL402 4 Button Topside is designed for compatible no overlay applications where the original control interface has become worn, unresponsive, or visually tired. When the main panel starts to fail, the whole spa can lose much of the convenience homeowners expect. The four button layout keeps the user experience simple and direct, while the no overlay