Balboa Circuit Board - Balboa VS501Z Systems (G1152) watercousa and this Balboa VL702S Topside

and this Balboa VL702S Topside is designed for compatible no-overlay applications where the original control panel has become worn

A part like this is useful because it helps restore the upper trim and support structure at the skimmer opening

which gives the entire spa a more cared-for appearance without turning the repair into something larger than necessary

Hayward 3A power-supply circuit breaker

Balboa Circuit Board - Balboa VS501Z Systems (G1152) watercousa and this Balboa VL702S TopsideBoard failures in a spa rarely announce themselves in one clean way. Instead, the system gradually starts to feel less dependable, and homeowners are left wondering whether the heater, the pump, or the topside is really to blame. This Balboa VS501Z circuit board is designed for compatible systems where replacing the board is the right way to get ahead of that uncertainty. What makes a board replacement so valuable is that it resets the control logic