Balboa VL701S Topside Control Panel, 53189-01. Operates 7 Buttons: Auxiliary, Mode, Jet 1, Jet 2, Light, Warm, Cool. This panel replaces all Serial Standard Digital (6-button) products. It also utilizes the phone type connector. The following circuit board(s) are compatible with this topside: 52295-01, 52518, 54175-02, 52320-01, 52076, 54122, 50768, 50759, 51414, 51512, 51536, 54372-03.