Description
The Industry Standard in Water Treatment Control
For decades, the Fleck® 5600 Series has been one of the most trusted and widely installed control valves in residential and light commercial water treatment systems. Known for its reliability, serviceability, and proven performance, the 5600 Series helps automate critical filtration and water softening functions while minimizing maintenance and maximizing efficiency.
Whether you're operating a water softener, carbon filter, iron filter, or specialty filtration system, the Fleck 5600 Series provides dependable control and long-term performance trusted by water treatment professionals worldwide.
Built for Reliable System Automation
The control valve serves as the command center of your water treatment system, automatically managing:
• Regeneration cycles
• Backwash operations
• Water usage monitoring
• System timing and scheduling
• Filtration media maintenance
By automating these functions, the Fleck 5600 helps maintain consistent water quality while reducing manual intervention and operating costs.
Fleck 5600SXT Digital Control Valve
The advanced 5600SXT model combines proven Fleck reliability with modern digital controls. Features include:
• Large easy-to-read LCD display
• Time-clock or metered regeneration settings
• Simple programming interface
• Improved system monitoring and diagnostics
• Compatible with water softeners and filtration systems
The SXT controller allows homeowners and installers to easily customize system settings while optimizing efficiency based on actual water usage.
Fleck 5600 Timer Control Valve
For applications where simplicity is preferred, the electromechanical timer model provides dependable operation with straightforward controls. Benefits include:
• Easy setup and adjustment
• Reliable regeneration scheduling
• Simple servicing and maintenance access
• Proven long-term durability
Its uncomplicated design has made it a popular choice for residential water treatment systems for decades.
Fleck 5600 Metered Control Valve
Designed to maximize efficiency, the metered model monitors actual water usage and regenerates only when necessary. Features include:
• Accurate metering from 0.25 to 15 GPM
• Efficient regeneration scheduling
• Reduced water and salt consumption
• Improved operating efficiency
• Optimized system performance
By regenerating based on water consumption rather than fixed schedules, the metered valve helps reduce operating costs while maintaining consistent water quality.
Why Water Treatment Professionals Choose Fleck
• One of the most trusted control valve brands in the industry
• Compatible with water softeners, carbon filters, iron filters, and specialty media systems
• Available in digital, timer, and metered configurations
• Easy to program, maintain, and service
• Widely available replacement parts and support
• Proven reliability with decades of field performance
• Designed for residential and light commercial applications
Ideal Applications
• Water softeners
• Whole-house carbon filtration systems
• Iron and manganese filters
• Sulfur removal systems
• Specialty filtration media tanks
• Residential water treatment systems
• Light commercial water treatment applications
Crystal Quest One-Year Limited Warranty
CRYSTAL QUEST® warrants your CRYSTAL QUEST® Water Filter Systems for one year from the date of purchase (except filter cartridges and UV bulbs ) against all defects in materials and workmanship, when used in compliance with the Use and Care Manual. CRYSTAL QUEST® disclaims all implied warranties, including without limitation, warranties of merchantability and fitness for a particular purpose. If for any reason the product proves to be defective within one year from the date of purchase the customer would be responsible for all shipping charges and the unit should be shipped to CRYSTAL QUEST®. The entire system will be repaired or replaced without charge for the repairs or replacement. Please package your CRYSTAL QUEST® unit carefully to avoid damage in transit. This warranty gives you specific legal rights, and you may have other legal rights which vary from state to state. CRYSTAL QUEST® assumes no responsibility for incidental or consequential damages; for damages arising out of the misuse of the product or the use of any unauthorized attachment. Some states do not allow the exclusion or limitation of implied warranties or incidental or consequential damages, so the above limitations or exclusion may not apply to you.
*Refunds of Crystal Quest products will be issued in the form of a Crystal Quest gift card.
