Balboa Circuit Board - INF107 VS501Z (54357-03) airsupply Constructed to withstand continuous exposure

Constructed to withstand continuous exposure to water

3" diameter wet end format

This suction outlet cover includes stainless steel screws and supports HydroAir replacement applications with safe flow performance

0 kW Spa Heater Assembly [240V] [2"] (58001) (G7416) is engineered with a clear focus on compact integration

Balboa Circuit Board - INF107 VS501Z (54357-03) airsupply Constructed to withstand continuous exposureA circuit board like this INF107 VS501Z replacement matters because it restores the control behavior the spa was originally built around. When that central board begins to weaken, the system often starts acting in ways that seem random at first. Heat may drift, pumps may not respond consistently, and the overall pack can feel like it is slowly losing its stability. Replacing the right board solves that problem at the point where it actually starts.