Fleck 3900

3″ Commercial Control Valve



  • Fully adjustable, 5-cycle control delivers upflow back wash, downflow brining, slow rinse, rapid rinse and down flow 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, corrosion-resistant, and UV stable
  • Choice of 7 or 12 day clock or meter initiated regeneration
  • TESTED AND CERTIFIED By the WQA To NSF/ANSI SDT. 61 Section 8 Material Safety Only and ANNEX “”G”””


  • Meter-initiated regeneration
  • Upflow regeneration
  • Service valve operator
  • No hard water bypass
  • Auxiliary switches
  • Side mount


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