Hard Water? Looking for a Reliable Efficient Water Softener?

The 5900e Softener Performs Better, Lasts Longer than the Fleck 5600! 

Metered On-Demand Regeneration Saves Salt and Water. 

Highest Quality NSF-WQA Certified Salt-Efficient Resin. 

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Water Softener 5900e Metered 96K Grain Capacity

Water Softener 5900e Metered 96K Grain Capacity

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Code: WS005770 List Price: $1,694.00 Your Price: Shipping Weight: 190.00 lbs. Manufacturer: CWS Manufacturer#: WS005770
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Choose your options:


Brine Tank Options:

Add a Hardness Test Kit Pro, Only $9.95 Reg $19.95:

Choose Spin-Down Pre-Filter & Save $$:

Add Drain Line Tubing:

Discounted Stainless Steel Flex Lines:

Questions? Get a Fast Answer to your water treatment problems, click here!

Sizing Guide

Model Number of Bathrooms in Home Pipe Fittings Included Tank Dimensions
16k 1 1" Width: 6" Height: 35"
24k 1 1" Width: 8" Height: 44"
32k 1 - 2 1" Width: 9" Height: 48"
48k 1 - 2.5 1" Width: 10" Height: 54"
64k 1.5 - 3 1" Width: 12" Height: 52"
80k 2 - 5 1" Width: 13" Height: 54"

Brine Tank Sizing Guide

Brine Tank Salt Capacity (lbs) Tank Dimensions
Square Brine Tank 250 Length: 13" Width: 13" Height: 32.5"
Square Brine Tank 350 Length: 15.5" Width: 16" Height: 39"
Round Brine Tank 375 Width: 18" Height: 33"
Round Brine Tank 450 Width: 18" Height: 40"
Square Brine Tank 156 Length: 11" Width: 11" Height: 38"
Round Brine Tank 700 Width: 32" Height: 41"


  • High quality salt-efficient water softener: eliminates or dramatically reduces white spotting on fixtures and dishware
  • Prevents scale and calcium build-up inside pipes, water heaters, fixtures, and appliances
  • Counteracts drying effects of hard water, allowing you to enjoy softer skin and hair
  • Saves on laundry: clothes come out cleaner and softer without chemicals, bleach, or detergents. Clothing lasts longer!
  • Reliable CWS 5900e-E Control valve automatically backwashes and cleans the softener based on the amount of water you use, saving salt and water
  • Excellent 10 year warranty on tanks and 7 year warranty on control valves!
  • NSF certified filter tank and control valve


  • Heavy-Duty 5900e-E control valve
  • NSF certified tank
  • High-grade softener resin (with option for high-efficiency salt-saving Purolite SST-60 resin)
  • Pipe connectors


  • Max pressure recommended: 100 psi
  • Max temperature recommended: 100F
  • Filter tank is one piece seamless polyester and NSF certified


  • Clean Water Systems & Stores, Inc., Water Treatment Equipment,Service & Supplies, Santa Cruz, CA