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This web site is designed to be an engineering tool as well as a resource for locating companies that service, install, and sell Fleck Controls and Fleck Valve parts and equipment. Model numbers as well as specifications will vary slightly from one supplier to another. Not all items pictured on this web site are available at all locations listed nor are all items manufactured by Fleck Controls. Contact the individual supplier in your area for their current information.


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Model 3900 - 3" Commercial water conditioning control

3900/1800/TM Time clock 

Other configurations available please contact us for details

  • Fully adjustable 5-cycle control delivers controlled upflow backwash, downflow brining, slow rinse, rapid rinse and downflow service.
  • Designed for single tank or multi-tank systems, alternating or interlocking.
  • Continuous flow rate of 250 gpm.
  • Protective NEMA 3R enclosure is water resistant, rain tight, corrosion resistant and UV stable.
  • Operational no hard water bypass during regeneration.
  • Choice of 7 or 12 day clock or meter initiated regeneration.
Options
Backwash filter
Meter initiated regeneration
Upflow regeneration
No hard water bypass
Electronic timer.
Valve Specifications
Valve Material Lead Free Brass
Inlet/Outlet 3" NPT
Cycles* 5
Flow rates (50 PSI Inlet) - Valve Alone
Continuous (15 PSI Drop) Top Mount: 250 gpm
Peak (25 PSI Drop) Top Mount: 325 gpm
CV** 65
Max.Backwash (25 PSI Drop) 100 gpm
Regeneration
Downflow/Upflow Both
Adjustable Yes
Time Available 164 minutes
Meter Information
Meter Accuracy Range 7 - 300 gpm +/- 5%
Meter Capacity Range Std: 3,750 - 63,750 gal
Ext:18,750 - 318,750 gal
Dimensions
Distributor Pilot 3" Pipe
Drain Line 2" NPT (Female)
Brine Line 1" NPT (Male)
Mounting Base Top: 6"-8 Threaded or Flange
Height from top of tank 15"
Tank Application - can regenerate/backwash the following

Water Softener

24"-63" diameter
Iron Filter
24"-42" diameter
Sediment Filter
24"-42" diameter
Carbon Filter
24"-42" diameter
Neutralizing Filter
24"-42" diameter
Additional Information
Electrical Rating 24v, 110v, 220v-50 Hz 60 Hz
Pressure Hydrostatic: 300 PSI

Working: 20 - 125 PSI
Temperature 34 - 110 F

**Cv-Flow rate of valve alone at 1 psi pressure drop


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Copyright 2008 FleckValves
Last modified: 03/28/13