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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.
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
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
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

For more information click here

Copyright 2008 FleckValves
Last modified: 03/28/13