Fleck 5800 SXT Series Water Softener

75.00 LBS
Calculated at Checkout
  • Fleck 5800 SXT Series Water Softener
  • Fleck 5800 SXT Series Water Softener



  • The 5800 SXT control valves are Flecks most modern yet simple to service valves, as the valve has very few moving parts as well as using snap together plates and a single programming board. A LCD back lit display helps programming in low light conditions. The control setup of capacity, regeneration time, and days override is quick and easy. The SXT controller also allows for additional programming of up to 20 different cycle steps. For more information scroll to the bottom and watch our video.

5800 SXT Product Documentation:

5800 SXT Benefits:

  • Fiber-reinforced polymer valve body for superior strength and durability, non-corrosive, and UV-resistant
  • Continuous service flow rate of 21 GPM with a backwash of 17 GPM
  • Backwash capability accommodates softener tanks up to 16" and filter up to 16" in diameter
  • Fully adjustable 3- or 5-cycle control for efficient and reliable water treatment system
  • Time-tested, hydraulically-balanced piston for service and regeneration
  • Optical sensor for precision cycle positioning
  • Soft water refill for a cleaner brine tank
  • Designed with double backwash for reduced hardness leakage
  • Diagnostics for historical valve performance
  • Programming stored in memory and will not be lost due to power outages

Available Capacity:

  • 0.75 Cubic Foot
  • 1.0 Cubic Foot
  • 1.5 Cubic Foot
  • 2.0 Cubic Foot
  • 2.5 Cubic Foot
  • 3.0 Cubic Foot

Softener Tank Dimensions:

  • 8" x 44" for 0.75 cubic foot
  • 9" x 48" for 1.0 cubic foot
  • 10" x 54" for 1.5 cubic foot
  • 12" x 52" for 2.0 cubic foot
  • 13" x 52" for 2.5 cubic foot
  • 14" x 65" for 3.0 cubic foot

5800 SXT Specifications:

  • Valve Material: Fiber-reinforced polymer
  • Inlet/Outlet: 3/4" or 1" NPT/BSP/Sweat
  • Cycles: 5
  • Continuous Flow Rate - 21GPM
  • Peak Flow Rate - 27 GPM
  • CV - 5.4
  • Max Backwash - 17 GPM


  • Fleck 5800 SXT Valve
  • Fleck Bypass
  • 3/4" Brass Sweat Connectors
  • Black Resin Tank
  • Black Brine Tank (Includes safety float and brine line)
  • 10 Feet Drain Line
  • Full email/phone support

Tested and Certified by the WQA to NSF/ANSI Standard 44 for Water Softener Performance.
Tested and Certified by the WQA to NSF/ANSI Standard 372 for Lead Free Compliance.

Whole House System Shipments

Due to weight and some system sizes, most systems are unable to be shipped by local courier(free) and must ship by truckload (LTL).

Canadian Water Warehouse will cover up to $199 on pallet shipments. Customer will be responsible for the tailgate and residential delivery fee. Fees vary depending on location.

Customer will be contacted shortly after placing their order to discuss any shipping fees required for their shipment.


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