Patented Mirus field effect detector cells detect disruptions caused by water and fluids, and are not affected by oil or foreign debris. No moving parts, totally sealed solid state electronics and field detectors. No mercury and no exposed sensors eliminate corrosion possibilities.
| Brand | Johnson Pump |
| Amps | 20 , 20 , 20 |
| Volts | 45284 , 45284 , 45284 |