Balboa BP21 AQMRBP21 Electronic Control Box
Equipped with a 3kW heater
Reference: 56648 or AQMRBP21
The AQMRBP21 system is mainly used for the Aquamarine brand but can easily replace any system from another brand that has the MicroSilk option.
Please check the table for the elements supported by this system.
The AQMRBP21 control box is slightly different from the BP21MS3B reference, which includes the management of a two-speed pump on the "Pump 2" terminal.

TECHNICAL SPECIFICATIONS:
| Serial Number | Description | Pump 1 | Pump 2 | Pump 3 | Pump 4 | Circulation Pump | Blower | Heater |
| 56648 | BALBOA Aquamarine System - AQMRBP21 | Single/Two-speed | Single Speed | Single Speed | Microsilk | 220V | 220V | 3.0 kW 230V 800inc |
| Power Supply | Stereo | Ozonator | Lighting | Operating Temperature | Storage Temp. | Humidity | Standards |
| 220-240V / 50Hz | 230V | 230V | 10V / 1A max | -20°C to 60°C | -25°C to 85°C | Up to 85% | IPx5/CE |
- Heaters with patented M7 sensors
Compatible with
Spas from the AQUAMARINE brand and other brands equipped with the MicroSilk option