The Fleck 56SXT/BW backwashing digital timer control valve is used on whole house backwashing filters and other media tanks that require an automatic backwash and rinse cycle. It controls regular service flow through the tank, then runs scheduled backwash cycles to help clean the media bed and maintain consistent performance over time. This valve is commonly chosen when you want a programmable digital controller that is easier to set and adjust than a mechanical timer. Fleck is the largest brand of Control Valves and is part of Pentair Corp.
This valve is configured for systems that require only the backwash and rapid rinse cycles. Typical applications are activated carbon filtration, sand filters, acid neutralizers, and other applications that do not require brining cycles. This is not a water softener valve and cannot be used to replace one. View other valves we offer.
Fleck 56SXT/BW Backwashing Digital Timer Control Valve Features
- Solid-state microprocessor with LED display. Time of day, remaining capacity, regeneration cycle in process
- Compact turbine meter
- Downflow or upflow regeneration cycles
- The 56SE-16 is a timer valve
- NOVRAM valve status and memory backup
- Continuous flow rate of 20 GPM
- Backwash capacity handles tanks up to 10″ for filter applications
Options
- Bypass valve
- Backwash filter
- Upflow regeneration
- Meter initiated regeneration
- Double backwash
- Auxiliary switches
Applications
- Carbon Filter: 6″-10″ Tank Diameter
- Iron Filter: 6″-10″ Tank Diameter
- Neutralizing Filter: 6″-10″ Tank Diameter
- Depth Filter: 6″-10″ Tank Diameter
What is the Fleck 56SXT/BW Backwashing Digital Timer Control Valve Used For?
This valve is used on systems that need a routine backwash cycle, such as:
- Backwashing whole house carbon filters for taste and odor improvement
- Media filters that trap sediment and need periodic cleaning
- Specialty media tanks that require scheduled backwash and rinse cycles
If your system uses a backwashing tank, the control valve determines when backwashing occurs and how the cycle runs.
Why does the SXT digital control matter?
The SXT control is designed for easy programming and consistent operation.
Benefits for buyers
- Digital programming for more precise cycle timing
- Easier adjustments if water use changes seasonally
- Scheduled backwashing that helps prevent media compaction and channeling
- Clear settings for cycle steps and timing
If your priority is dependable scheduling and easier control, a digital SXT valve is often the preferred choice over a purely mechanical timer.
Compatibility and Fit Checklist for the Fleck 56SXT/BW
Before ordering, confirm:
- Your current valve model and connection size
- Your tank opening and distributor tube match the valve style
- Your system has a proper drain line route for backwash discharge
- You want a time-based schedule or a usage-based schedule, depending on the configuration offered
Common pairing
This valve is frequently paired with backwashing carbon tanks and other media filtration tanks that require a predictable backwash cycle.
Practical Maintenance for the Fleck 56SXT/BW Backwashing Digital Timer Control Valve
A backwashing valve does not eliminate maintenance, but it reduces hands-on cleaning by running automatic cycles. For best long-term performance:
- Confirm the valve is programmed correctly after installation
- Check the drain line routing and fittings periodically
- If flow declines or water quality changes, verify the system is cycling as scheduled and that backwash flow is sufficient for the media type
FAQs on the Fleck 56SXT/BW and Other Backwashing Control Valves
Q: What does a backwashing control valve do?
A: It controls service flow through the tank and runs automatic backwash and rinse cycles that help clean the media bed.
Q: Is the Fleck 56SXT BW a mechanical timer or a digital control?
A: It is a digital control valve designed for programmable backwash scheduling.
Q: What is the difference between metered and timer backwashing?
A: Timer backwashing runs on a schedule. Metered backwashing runs based on water usage, reducing unnecessary cycles when usage varies.
Q: What filtration systems is this valve commonly used on?
A: It is commonly used on backwashing carbon filters and other media tanks that require periodic backwash and rinse cycles.
Q: Do I need a drain for this control valve?
A: Yes. Backwashing systems require a drain connection for backwash discharge.
Q: Will this control valve help with low-flow issues?
A: It can if low flow is caused by a media bed that is not being appropriately backwashed. If plumbing restrictions or undersizing are the cause, a valve change may not solve it.
Q: How do I know if this valve will fit my system?
A: Match your current valve model, connection size, and tank and distributor configuration before ordering.
Q: Can I install the Fleck 56SXT/BW myself?
A: Many experienced DIYers can, but it requires confirming compatibility, shutting off water, depressurizing the tank, and programming the cycle correctly.
Match your connection size and tank setup, then upgrade to the Fleck 56SXT BW digital backwashing control valve for dependable scheduling and consistent media performance.
