Carbon Backwash Filter 7500-REV4 - 3.0 CF 14x65

Carbon Backwash Filter 7500-REV4 - 3.0 CF 14x65
Code: CF004420

$2,095.00 $3,352.00 List Price

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  • Description
  • Specs
  • Warranty
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Remove Chlorine, Chloramines, Taste, Odors Throughout Your Home with No Filter Cartridges To Change!

  • Excellent for use in dechlorinating water and removing many tastes and odors.
  • Removes chloramines with the optional Catalytic Carbon upgrade
  • Much longer life and higher flow rates than carbon filter cartridges.
  • Carbon media lasts for 4 to 6 years or longer depending on water chemistry and usages.
  • Unlike carbon cartridges which can trap sediment and dirt, these systems automatically backwash out trapped sediment, alleviating pressure drop.
  • Carbon media easy and inexpensive to change out.
  • High-tech Ceramic Disc Valve: the moving parts of the 7500 series control valve feature super hard ceramic and graphite meshing surfaces for exacting tolerances, eliminating the need for O-rings or gaskets.
  • Easily programmable, multiple sequence set-up features, regeneration modes and interlocking capabilities.
  • Backwashes automatically based on time (days of the week) .
  • More efficient backwashes that use less water and require backwashing less frequently
  • Corrosion Proof: Resistant to sand, caustics, and acids.
  • Automatic recall after power outage and maximum day regeneration functions
  • Resists Abrasion: Patented ceramic discs are corrosion and abrasion resistant for superior durability and longevity.
  • Exceptional High Flow Rate with noticeable noise reduction during regeneration.


  • 7500-Rev4 Control valve with 110V - 230V 50/60 Hz. power supply.  Uses less than 20 watts of power.
  • certified filter tank
  • 1" NPT Pipe size: 1" in - out - drain fittings, easy to adapt to 3/4" pipe if needed.
  • Filter Media ( certified high grade activated carbon, filter gravel)
  • Bypass valve with 1" pipe connectors (can be adapted to 3/4" pipe size)

Advanced Features:

  • Very long lasting. Ceramic disc valve lasts years longer than standard piston type control valves and backwash over 150,000 cycles.
  • certified, one piece, seamless poly filter tank for long life
  • All activated carbon filter backwash systems include filter media, filter gravel, tank, & backwash control valve
  • High activity granular activated carbon is manufactured by steam activation from select coconut shell charcoal.
  • Removes low molecular weight organic compounds and their chlorinated by-products such as chloroform and other trihalomethanes (THM's).
  • Removes chloramines with the optional Catalytic Carbon upgrade
  • Iodine Rating: minimum 1000 mg/g
  • Carbon has maximum hardness and is well suited for backwash applications.
  • Built-in battery back-up: Holds time after being shut off for 3 days.  Holds program for 30 days or more.

Weight: 190.00 lbs

Sizing Guide & Technical Specifications

Model Number of Bathrooms in Home Max Flow Rate* Backwash Flow Rate Dimensions
1.0 CF 1 4.0 GPM 2.5 GPM Diameter: 9" Height: 55"
1.5 CF 1 5.0 GPM 3.0 GPM Diameter: 10" Height 62"
2.0 CF 2 - 3 8.0 GPM 4.0 GPM Diameter: 12" Height: 60"
3.0 CF 2 - 4 10.0 GPM 5.0 GPM Diameter: 14" Height: 72"
  • 1" NPT in - out - drain connections
  • Max pressure recommended: 100psi
  • Max temperature recommended: 100F
  • Backwash once every 30 days
  • Voltage 110v-230V Power Adapter. Control valve 12VDC.
  • Uses less than 20 watts of power.
* Lower flow rates may be recommended depending on water chemistry.
Frequent routine arsenic testing before and after the system is recommended.
Warranty extends to equipment only and no warranty or guarantees are extended to cover health or drinking water quality.
Before purchasing or installing this system consult with one of our Certified Water Specialists for more information and expected media life.

How Long Will the Arsenic Filter Media Last on My Well Water?

The role of pH is very important, see this chart for how long media lasts based on the pH of your water. arsenic filter media for well water arsenic filter media for well water

  • 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 25% Restocking Fee
  • See our Return Policy Here

Manufacturer: CWS

Manufacturer #: CF004420

Download Installation Guide