Fleck 3900

Fleck 3900 Series 3” Commercial Control Valves

Fleck’s 3900 valve is ideal for commercial and industrial water softeners and filters with service flows up to 250 GPM and backwash requirements of up to 100 GPM. The Fleck 3900 valve body offers rugged construction and simple mechanical operation.

Fleck Control Valves automatically control the backwash and regeneration cycles for media filters and water softeners to keep your water treatment system working at optimal performance all the time. Fleck control valves are available in time-clock options and metered options for on-demand regeneration based on water volume used.

Manual operation, dP triggered regeneration, interlocking, series and remote start configurations are available upon request.

Flow Rates: (50 PSI Inlet) – For Top Mount: Continuous 250 gpm, Peak 325 gpm, Max Backwash 100 gpm

  • Valve Material: Lead-Free Brass
  • 3” NPT In/Out Connections
  • 6” – 8 Threaded or Flanged
  • 1800 Brine System (softener)
  • Hard Water Bypass

Available AMI model configurations:

AMI Model No. Filter or Softener Metered/Timered Meter Capacity Range
YVS39AXXAS99 Softener 12 Day Timer
YVS39CEXAS99 Softener Meter Delay, Std. 3” 3,750–63,750 Gal.
YVS39DEXAS99 Softener Meter Delay, Ext Range 3” 18,750–318,750 Gal.
YVS39GXXAD99 Softener Twin Alternating – Lead Needs Remote Meter
YVS39GXXAG99 Softener Twin Alternating – Lag Needs Remote Meter
YVF39AXXAS99 Filter 12 Day Timer
YVF39CEXAS99 Filter Meter Delay, Std. 3” 3,750–63,750 Gal.
YVF39DEXAS99 Filter Meter Delay, Ext Range 3” 18,750–318,750 Gal.
  • Valves shown 110v/60Hz.
  • Valves shown with 100 gpm backwash flow; source page notes other backwash flows are available.