Balboa VS 501SZ Spa Control System
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Balboa VS501SZ spa control box and heater (no topside or cords).
- 5.5 kW Heater (on 220V) / 1.4 kW (on 110V)
The Balboa VS501SZ control system can operate:
- Main Pump Circuit (2-Speed) - 110V or 220V
- Pump 2 / Blower Circuit - 110V or 220V
- Ozonator Circuit - 110V or 220V (Must match voltage of circulation pump circuit below. So if you do not have a small circulation pump, you have the option to set this circuit to either voltage. If you have a small circulation pump, you must use an ozonator with the same voltage as your circulation pump.)
- Light Circuit - 12 Volts
- **Circulation Pump Circuit - 110V or 220V (activation optional)
**Most spas don't have a small circulation pump, instead, the main pump runs on low speed to heat and filter the water during set filtration cycles. If you are using a small circulation pump, the flow rate must be at least 25 gallons per minute.
Compatible topside control (not included): Part number: 51247 (VL701S).