Sediment Backwash Filter 5900-S 1.5 CF

Sediment Backwash Filter 5900-S 1.5 CF
Code: SF002680

$749.00 $2,996.00 List Price

In Stock!

  • Description
  • Specs
  • Warranty
  • Info
  • Documents

Experience Crystal Clear Water: Advanced Sediment Backwash Filtration for Superior Purity and Longevity

What is a Sediment Backwash filter?

Sediment Backwash Filteration systems are used to remove soluble inorganic contaminants and sediment from water while automatically backwashing to clean the filter and extend its usable life.

Superior Filtration Capabilities

When it comes to water purification, our systems stand out, offering a level of filtration that surpasses traditional sand or anthracite filters. The result is water that's not just clean, but crystal clear.

Robust and Reliable Control Valve

At the heart of our system is the heavy-duty backwash control valve. Designed with a time-tested, hydraulically balanced seal and spacers, it promises years of trouble-free service. What's more, its construction from non-corrosive, high-tech materials ensures durability, while the user-friendly LCD makes operation a breeze.

Certified Quality and Safety

Safety and quality are paramount. That's why all wetted parts of the control valve, tank, and media are NSF-certified, ensuring you get a product that meets stringent standards and delivers exceptional performance.

Smart Bluetooth Backwash Control for Efficiency

Control with your smart phone if desired and track usages with our free app.  Our automatic backwash control valve is a marvel of modern engineering. With four distinct modes - meter immediate, meter delayed, meter with day override, and calendar clock - it offers flexibility in operation. The added totalizer function tracks the total amount of water treated, giving you insights into system usage.

Efficiency and Sustainability

Our systems are designed with the environment in mind. They not only use less water during backwashes but also require backwashing less frequently. This efficiency translates to savings on your water bill and a reduced environmental footprint.

Longevity and High Flow Rates

With our systems, you don't just get purified water; you get it at higher flow rates and with the assurance of a longer system life. This is thanks to our one-piece seamless polyester construction, which ensures durability and consistent performance.

Enhanced Water Quality

Our commitment to quality is evident in the enhanced water purification our systems offer, filtering particles down to 3 to 5 microns. This meticulous filtration ensures every drop is as pure as nature intended.

State-of-the-Art Construction and Materials

The high purity natural zeolite 14 x 40-inch mesh is a testament to our dedication to using only the best materials. Coupled with the NSF certification, you can be confident in the quality and safety of the water you consume.


Our systems provide many benefits over typical filter cartridge systems. In particular, our systems provide:

  • Better filtration than sand or anthracite filters
  • Heavy-duty backwash control valve featuring time-tested, hydraulically balanced seal and spacers, providing years of trouble-free service. It is constructed from non-corrosive, high-tech materials and includes a simple, user-friendly LCD.
  • All wetted parts of the control valve, tank and media are NSF-certified.
  • Our automatic backwash control valve functions in four modes: meter immediate, meter delayed, meter with day override, and calendar clock. Also includes a totalizer function, tracking the total amount of water treated.
  • More efficient backwashes that use less water and require backwashing less frequently
  • Longer life and higher flow rates
  • Enhanced water quality through filtration down to 5 microns
  • One-piece seamless polyester construction for longer system life
  • Fully adjustable backwash and rinse cycles, saving water and maximizing performance
  • High purity natural zeolite 14 x 40 inch mesh
  • NSF Certified


  • Pipe connectors in selected size
  • The required amount of filter media.
  • NSF certified 115V control valve with built-in flow sensor

Choosing your Model

    Maximum Flow Rate
    Backwash Flow Rate
    # of Bathrooms
    # of Persons in Home
    Dry Weight Lbs
    Width / Height
    .5 CF 6 GPM 5 GPM 1 1 -2 55 6" x 42"
    0.75 CF
    8 GPM
    5 GPM
    1 - 4
    8" x 51"
    1.0 CF
    10 GPM
    7 GPM
    1 - 2
    1 - 4
    9" x 55"
    1.0 Short
    12 GPM
    8 GPM
    1 - 2
    1 - 4
    13" x 37"
    1.5 CF
    12 GPM
    8 GPM
    1 - 2.5
    1 - 6
    10" x 61"
    2.0 CF
    14 GPM
    10 GPM
    2 - 5
    1 - 6
    12" x 59"
    2.5 CF
    15 GPM
    12 GPM
    2 - 5
    1 - 8
    13" x 61"
    3.0 CF
    16 GPM
    15 GPM
    2 - 5
    1 - 8
    14" x 72"

Note: The 1.5 and 2.0 CF models work best for most homes with 1 - 3 bathrooms and are our most popular models.

"Backwash Flow Rate" is the minimum flow rate in gallons per minute ("GPM") that is recommended for that size filter to operate properly. If your well pump can pump 10 gallons per minute for example, you could use the 2.0 CF model if you chose to, and it would work properly.

Maximum line pressure recommended 100 PSI. Maximum water temperature recommended: 100 F.

*"CF" refers to the amount of filter media included in cubic feet. A 1.5 CF has 1.5 cubic foot of filter media inside it, for example.

  • 10 year Warranty on the filter tanks. All tanks are Certified & top quality.
  • 5 Year Warranty on the control valve. Made in the U.S.A.
  • 90 Day money-back guarantee less shipping
  • See our Return Policy Here


  • Try it, and if you are not 100% satisfied, return for your money back, less shipping costs.
  • Easy to Install. Complete Instructions included.
  • Install yourself or hire a handyman.
  • Anyone familiar with basic plumbing can easily install system.
  • User friendly LCD display and simplified controls.
  • Legacy View Bluetooth enabled 5900-BT Electronic Control Valve for advanced water usage & flow monitoring
  • Optional Legacy View App available for Android or Iphones, makes it easy to monitor from your smart phone if desired.
  • 10 Year Warranty on Filter Tank
  • 7 Year Warranty on Control Valve
  • We are here to help. Any questions? Email us at [email protected] or call us.

Manufacturer: CWS

Manufacturer #: SF002680