Products - 3900

The 3900

  • 3" commercial water conditioning control
  • Versatile, adjustable regeneration cycles.
  • Upflow or downflow brining.
  • Variable time control on each cycle.
  • 7/12 day clock or meter initiated.
  • Designed for single tank or multi-tank systems, alternating or interlock.
  • Excellent flow rates - up to 250 gpm.
  • Protective NEMA 3R enclosure is water resistant, rain tight, corrosion resistant and UV stable.
  • Optional no hard water bypass during regeneration.

Specifications and Performance:

Valve MaterialInlet/OutletCycles Brass3" NPT5
Flow Rate (50 psi inlet)   Continuous (15 psi drop)   Peak (25 psi drop)CvMaximum Backwash (25 psi drop) Valve Alone250 gpm325 gpm65 100 gpm System210 gpm271 gpm 90 gpm
Regeneration:Downflow/UpflowAdjustableTime Available  EitherYes164 minutes
Meter Accuracy RangeMeter Capacity Range  7-300 gpm +/- 5%Standard: 3,750-63,750 gals.Extended: 18,750-318,750 gals.
Dimensions:  Distributor Pilot  Drain Line  Brine Line  Mounting Base  Height (from top of tank)  3" Pipe2" NPT (female)3/4" NPT (male)6"-8" threaded or flange15" 
Tank Application - can regenerate/backwash the following:  Water SoftenerIron FilterSediment FilterCarbon FilterNeutralizing Filter   30"-60" diameter24"-42" diameter24"-42" diameter24"-42" diameter24"-42" diameter
Electrical RatingPressure Temperature 24v, 110v, 220v-50Hz, 60HzHydrostatic: 300 psiWorking: 25-125 psi34-110 F
Cycles:1. Backwash (Upflow)2. Brine & Slow Rinse (Downflow)3. Rapid Rinse (Downflow)4. Brine Tank Refill5. Service (Downflow) Typical Time:10 minutes60 minutes10 minutes20 minutes 
Options:Backwash FilterMeter Initiated RegenerationUpflow Regeneration No Hard Water Bypass