Fleck 3900 Control Valve

Product Description

At Pure Aqua Inc., you will find a great variety of fleck valves products such as Fleck 5600, 2750, 9000, 9100, 9500, 3150, 3900, 2850. For more than 50 years, Fleck has led the way in advancing control valve technology for water treatment, softening and filtration applications. Fleck offers more than 20 models with 90 different options and over 1,000 configurations.

Fleck 3900 3" Commercial Control Valve 

The Fleck 3900 is a great backwash and brine valve, designed and manufactured to work on heavy duty applications. Five-cycle control delivers controlled upflow backwash, downflow brining, slow rinse, rapid rinse and timed brine refill, are all performed with conditioned water. Continuous flow rates up to 250, 300 gpm peak. Handles tanks up to 63" in diameter.

How to Order Fleck Valve?
  • Specify the valve needed is for back wash filter or water softener.
  • Specify the flow rate needed for your application
  • Specify the size of tank being used when ordering to ensure proper flow restrictor sizing.
  • Fleck valve has different option, please discuss your application with Pure Aqua representative to offer the best options to fit your application.
Valve Specifications
Valve material Inlet/Outlet Cycles
Lead-free brass 3" NPTM 5


Flow Rates (50 psi Inlet) - Valve Alone:
Flow rate (50 psi Inlet) Top mount
Continuous (15 psi drop) 250 GPM
Peak (25 psi drop) 325 GPM
Cv (flow at 1 psi drop) 65
Max. backwash (25 psi drop) 100 GPM


Downflow/Upflow Adjustable cycles Time available
Both Yes Electromechanical: 164 minutes
3200NXT: 240 minutes per cycle
3214NXT: 240 minutes per cycle
XT: 240 minutes per cycle


Meter Information
Meter accuracy Meter Capacity Range(gal)
7 - 300 GPM +/- 5% Standard: 3,750 - 63,750
Extended: 18,750 - 318,750
3200NXT: 9,900,000
3214NXT: 9,900,000
XT: 9,900,000


Distributor pilot Drain line Injector System Mounting base Height from top of tank
3" O.D 2" NPTF 1" Top: 6" - 8 threaded or flanged 15"


Additional Information
Electrical rating Estimated shipping weight Pressure Temperature
24 v, 110 v, 220 v - 50 Hz, 60 Hz Time clock: 93 lbs.
Metered value: 115 lbs.
Hydrostatic: 300 psi
Working: 20 - 125 psi
34° - 110°F

* As defined in the U.S. EPA Safe Drinking Water Act; the product

also meets California Proposition 65 Standards

Fleck 3150 2" Commercial Control Valve
  • Fully adjustable, 5-cycle control is efficient and reliable, delivering controlled upflow backwash, downflow brining and downflow service
  • Versatile top or side mount is suitable for commercial or industrial applications
  • Backwash capacity accommodates tanks up to 63" diameter
  • Solid, lead-free brass construction for superior strength and durability
  • Protective NEMA 3R equivalent enclosure is rain tight, and UV stable
  • Flexible 7 or 12 day time clock or meter initiated regeneration
  • Ideal for most filter applications up to 42"
  • TESTED AND CERTIFIED By the WQA To NSF/ANSI SDT. 61 Section 8 Material Safety Only and ANNEX "G"
  • Backwash filter
  • Meter initiated regeneration
  • Service valve operator
  • Side mount
  • Electronic timer, 3200NT, 3214NT, or XT
  • Hot water (time clock 180°F; metered valve 150°F)
  • No hard water bypass
  • Upflow regeneration
  • Auxiliary switch


  • Commercial or Industrial Softeners
  • Commercial or Industrial Media Filters
  • Commercial or Industrial Carbon Filters
  • Commercial Iron Removal Filters


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(1 review) Write a Review
  • 5
    No quality problem ever

    Posted by Vanilde D. on Jun 3rd 2018

    We received the item very fast. Thanks!

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