Fleck 3900 Softener Valve With Mechanical Meter  

  • Fleck 3900 Softener Valve With Mechanical Meter

Fleck 3900 Softener Valve With Mechanical Meter

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Fleck 3900 Softener Valve With Mechanical Meter

Sku: 145-3900-MM

Availability: In stock

Regular Price: $8,354.00
Sale Price:
Regular Price: $8,354.00
Sale Price:



The Fleck 3900 is a rugged commercial/industrial water softener valve with the standard electromechanical control and mechanical meter. The inlet and outlet is 3" for continuous flow rate up to 250 GPM.

Valve Options

  • Piston Options
    • Hard water bypass
    • No hard water bypass
  • Valves are custom built to the size tank it's going on


  • Fully adjustable, 5-cycle control delivers 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
  • Solid, lead-free brass* valve body for superior strength and durability
  • Protective NEMA 3R enclosure is water-resistant, corrosion-resistant, and UV stable
  • Flexible 7 or 12 day time clock or meter initiated regeneration

Valve Specifications

  • Valve material: Lead-free brass*
  • Inlet/Outlet: 3"
  • Cycles: 5
  • Electrical rating: 24 v, 110 v, 200 v - 50 Hz, 60 Hz
  • Distributor pilot: 3" O.D.
  • Drain line: 2" NPTM
  • Injector brine system: 1"
  • Mounting base: Top 6" - 8 threaded or flanged
  • Height from top of tank: 15"

*As defined in the U.S. EPA Safe Drinking Water Act; the product also meets California Proposition 65 Standards



Additional Information

Availability In Stock
Manufacturer Fleck