Balboa VL600S topside control with overlay has a semi oval shape with 6 buttons, 3 on the left side of the display screen and 3 buttons on the right side of the display screen. This is the VL600S model and Balboa part number is 54548. Please note that this topside control looks the same as the VL620S but is not interchangeable. This VL600S only works with these specific Balboa circuit boards: VS510SZ, VS501SZ, VS511SZ, VS515SZ and no others. Details: Model VL600S Part # 54548 Comes with 7′ cord Telephone style serial plug Buttons are: Left, Jets1, Jets2, Light. Right, Warm, Mode, Cool, Faceplate has self adhesive on back, Size is 7-1/8″ x 3-1/2″ Also known as: 54548, VL600S This Balboa topside comes with the overlay and is shipped as shown in the picture. Balboa keypads are not generic and require that the replacement part number match the original one or confirm that the replacement is compatible with the firmware on the circuit board to ensure the buttons will work properly.
