
Fleck 5600 SXT Digital Control Valves
The Fleck 5600 SXT digital control valve is the most popular water softener control valve on the planet. It offers a rigid Noryl valve body with low power consumption and a precision piston-seal-spacer assembly. It was updated from the old mechanical-meter to the SXT electronics for easy assembly and programming. The new meter keeps this softener ruining Maintainance free for residential and commercial use. Pair with the Fleck 5600 SXT Water Softener System.
Available Sizes
- 26,000 Grains – 7 GPM
- 35,000 Grains – 10 GPM
- 53,000 Grains – 15 GPM
- 70,000 Grains – 20 GPM
- Large LCD display with 48 hours of internal power backup capacitor
- LCD display alternates between time of day, volume remaining or days to regeneration, and tank in service (twin tank systems only)
- Compact turbine meter
- Downflow or upflow regeneration cycles
- Choose from 4 modes of operation: immediate meter regeneration, delayed meter regeneration, delayed time clock regeneration or day of week regeneration
- Continuous flow rate of 20 GPM
- Backwash capacity handles tanks up to 12″ diameter for softener applications, 10″ for filter applications
- Double backwash capability
Valve Specifications
| Valve Material | Fiber Reinforced Polymer |
| Inlet/Outlet | 3/4″, 1″, 1-1/4″ |
| Cycles | 5 |
Flow Rates (50 psi Inlet) – Valve Alone
| Continuous (15 psi drop) | 20 GPM |
| Peak (25 psi drop) | 26 GPM |
| CV (flow at 1 psi drop) | 5.0 |
| Max. Backwash (25 psi drop) | 7 GPM |
Regeneration
| Downflow/Upflow | Both |
| Adjustable Cycles | Yes |
| Time Available | Up to 199 Minutes per Cycle |
Meter Information
| Meter Accuracy Range | 25 – 15 GPM +/- 5% |
| Meter Capacity Range (gal.) | 1 – 60,000 |
Dimensions
| Distributor Pilot | .8125″ or 1.05″ Pipe O.D. |
| Drain Line | 1/2″ NPTF |
| Brine Line | 1600 – 3/8″ |
| Mounting Base | 2-1/2″ – 8 NPSM |
| Height From Top of Tank | 7-1/2″ |
Typical Applications
| Water Softener | 6″ – 12″ Diameter |
| Iron Filter | 6″ – 12″ Diameter |
| Sediment Filter | 6″ – 12″ Diameter |
| Carbon Filter | 6″ – 12″ Diameter |
| Neutralizing Filter | 6″ – 12″ Diameter |
| Injector Brine System | 1600 |
| Electrical Rating | 24 v, 50 Hz, 60 Hz |
| Max. VA | 8.4 |
| Estimated Shipping Weight | Time Clock: 6 lbs Metered Valve: 7 lbs. |
| Pressure | Hydrostatic: 300 psi Working: 20 – 125 psi |
| Temperature | 34 – 110 Degrees F |









