5900BT Softener Valve

5900BT Softener Valve
Code: V1002900

$749.00 $824.00 List Price

In Stock!

  • Description
  • Specs
  • Warranty
  • Documents


  • The advanced 5900BT Softener Valve fits filter tanks up to 12" in diameter and automatically backwashes based on gallons used and/or days of the week.
  • Reliable heavy-duty control valve is easier to program than other valves and features a built-in flow sensor that tracks water usage and backwasher filter based on gallons used, and/or by days of the week!
  • Low pressure drop and rugged design provides years of trouble-free service.
  • Based on the popular Fleck 5000 control valve.
  • Lasts longer and works better than the Fleck 5000 valves in our experience.
  • Can be used for softeners or filter applications.
  • Fits any system that uses standard Fleck, Autotrol, Clack or Canature valves but does not fit or replace Fleck 7000 control systems.
  • Fits 1.05˝ O.D distributors which is common size Fleck, Clack, Autotrol, Canature valves.
  • Simple 9 volt battery back-up keeps electronic meter active and will motor control valve to shut off position if in regeneration during power failure
  • Adjustable Cycle Times
  • Calendar Day Override
  • Proprietary two valve bypass with 1 inch MNPT Connections (can be reduced to 3/4")
  • Weather / Insect Resistant One-Piece Slide Cover
  • Treated Water Refill with pre-brine option
  • Legacy View App makes setting up and monitoring your CSI Water Treatment System easier than ever.
  • Conveniently view all valve settings and status
  • Easily change valve settings
  • View current water usage information, as well as history of water usage
  • Graphically view water usage information
  • Start a regeneration or backwash cycle from your phone or tablet
  • Set / view the servicing water treatment dealer information
  • Better understand how your system is working and how to tweak the settings


  • 1" 90 Degree pipe connectors
  • 120v powersupply
  • Bypass valve


  • Maximum backwash rate is 17 gallons per minute
7 year warranty against manufacturer defects, does not include routine maintenance (seal and spacer, piston, brine valve, etc)

Manufacturer: Chandler

Manufacturer #: 20003C000-S3