Fleck 3900 Valve

Brand: Fleck

Model 3900

Connections: 3 ″ NPT

Thread at the base: 6 ″

Valve Material: Bronze (Lead Free)

Product images are illustrative and may vary from the physical product.


Flows (50 psi Inlet) - “Valve Only”
Top mount
Continuous (15 psi pressure drop)
250 gpm (946 lpm)
Maximum (25 psi pressure drop)
325 gpm (1,230 lpm)
CV (flow at 1 psi pressure drop)
65
Max. Backwash (25 psi pressure drop)
100 gpm (378 bpm)

Features:

  • Fully adjustable 5-cycle control controls up backwash, brine draw, rinse
  • slow, fast rinse, downstream brine tank fill and downstream service
  • Designed for single or multiple tank systems, staggered or interconnected
  • 250 gpm continuous service flow
  • Functional water passage does not last during regeneration
  • Cover protection equivalent to NEMA 3R resistant to
  • water, rain, corrosion and UV rays
  • Available with regeneration via 7 or 12 day clock or flow meter
  • Water piston not hard

Data sheet

Fleck 3900

Service manual

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