Delivering dependable operation and outstanding durability, this automatic water softener control valve incorporates patented expanding seal spacer and linearly reciprocating piston technologies to ensure smooth valve movement and long-lasting sealing performance. Ideal for residential, commercial, and light industrial water treatment systems, it combines advanced programming, flexible regeneration options, and proven reliability to provide consistent softened water with minimal maintenance.
| CLACK WS1CI SPECIFICATIONS | |
| Inlet/Outlet Fittings | ¾" to 1 ½” NPS |
| Cycles | up to 9 |
| Valve Material | Noryl (1) or equivalent |
| Regeneration | downflow / upflow |
| FLOW RATES | |
| Service @ 15 psi/1 bar drop (includes bypass and meter) | 102 lpm (6.12 m3/h) (27 gpm) |
| Backwash @ 25 psi/1.7 bar drop (includes bypass) | 102 lpm (6.12 m3/h) (27 gpm) |
| OPERATING PRESSURES | |
| Minimum / Maximum | 20 - 125 psi (1.4 - 8.6 bar) |
| OPERATING TEMPERATURES | |
| Minimum / Maximum | 40º - 110º F (4º – 43º C) |
| METER | |
| Accuracy | ± 5% |
| Flow Rate Range | 0.95 - 102 lpm |
| Volume Range | 0.02 - 5,700 m3 |
| Totalizer | 1 m3 - 99,999 m3 |
| DIMENSIONS & WEIGHT | |
| Distributor Pilot | 1.050” OD Pipe (3/4" NPS) |
| Drain Line | ¾” or 1” NPT |
| Brine Line | ⅜” or ½” OD Poly Tube |
| Mounting Base | 2 ½” - 8 NPSM |
| Height From Top Of Tank | 7 3/8” (187 mm) |
| Weight | 4.5 lbs (2 kg) |
| ELECTRICAL SPECIFICATIONS | |
| Supply Voltage | 200VAC to 240VAC |
| Supply Frequency | 50/60 Hz |
| Output Current | 500 mA |
| TANK APPLICATIONS | |
| Water Softener | 6” – 21” diameter |
| Water Filter (2) | 6” – 21” diameter |
| CYCLES OF OPERATION (SOFTENER DOWNFLOW) | |
| Choose up to nine regeneration cycles, in any order, with a wide range of available values: | |
| Cycle | Range of times minutes |
| Backwash | 1 - 120 minutes |
| Rinse | 1 - 120 minutes |
| Pause (service) | 1 - 480 minutes |
| Brine (co-current) | 1 - 180 minutes |
| Brine (counter-current) | 1 - 180 minutes |
| Refill (softener) | 0.05 - 90.00 Kg |
| Refill (filter) | 0.2 - 76.00 Liters |



