| Item | Parameter |
| Controller model | JKA1.1(Note:CE certification) |
| JKA2.1(Note:CE certification,interconnection) | |
| J C2.1(Note:built-in pressure difference gauge) | |
| Controller power supply parameters | Voltage:85-250V/AC,50/60Hz |
| Power:4W | |
| Waterproof rating | IP54 |
| Control pressure source | 0.2-0.8MPa |
| Operating temperature | 4-60°C |
| Controller Dimension | 174×134×237 |
| Controller language | Chinese/English |
| Controller application | JKA1.1:Multi-valve softening, multi-media filtration |
| JKA2.1:Multi-valve softening, multi-media filtration | |
| JFC2.1:Special controller for disc filters |