fleck commercial 3900 water softener

Commercial Water

Fleck 3900 Commercial System

  • fleck commercial 3900 water softener
  • Peterson Salt’s Commercial Water Softener - Fleck Commercial 3900 System

Key Features

  • Continuous service flow rate of 250 GPM with a backwash of 100 GPM
  • Backwash capability accommodates softener tanks up to 63" and filter up to 42" in diameter
  • Fully adjustable 3 or 5-cycle control for efficient and reliable water treatment system
  • Designed for single or multiple tank systems
  • Time-tested, hydraulically-balanced piston for service and regeneration

Questions? Schedule an Appointment Today

Product Description


  • Lead-free brass valve body for superior strength and durability
  • Rugged-built electromechanical timer designed with heavy duty 3/8"

**5 year warranty on valve and 10 year warranty on tanks**

Fleck 3900 Commercial System Manual

Download the Fleck 3900 service manual to find out more!


Schedule an appointment today.