Balboa BP20P4 Spa Control Circuit Board, G1324

The G1324 is the factory Balboa replacement PCB for the BP20P4 spa control platform.

This board controls:

• Pump 1 (1‑ or 2‑speed)

• Pump 2 (1‑speed)

• Blower or Circ Pump

• Ozone

• Spa Light

• 4.0 kW heater (via the BP20 heater tube)

• Topside panels: TP400, TP600, TP800, SpaTouch2/3 (depending on config)

It is the correct board when your spa shows symptoms like:

• Dead or unresponsive topside

• Heater not activating

• Relay clicking or stuck relays

• “Watchdog” errors

• Burn marks or corrosion on the old PCB