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Fleck 2900S - User Manual

Fleck 2900S
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Model 2900s
Service Manual
IMPORTANT: Fill in Pertinent Information on Page 3 for Future Reference

Table of Contents

Questions and Answers

  • Y
    youngcaseyAug 16, 2025
    What to do if my Fleck 2900S Plumbing Product softener fails to draw brine?
    • M
      Michael WashingtonAug 16, 2025
      If your Fleck Plumbing Product softener isn't drawing brine, several issues could be the cause. First, the drain line flow control might be plugged, so try cleaning it. Second, the injector could be plugged; clean the injector. Third, the injector screen could be plugged, so clean the screen. Fourth, the line pressure might be too low; increase the line pressure to 20 P.S.I. Fifth, there may be an internal control leak, so change the seals, spacers, and piston assembly. Lastly, the service adapter may not have cycled, so check the drive motor and switches.
  • A
    Angela GomezAug 19, 2025
    What to do if Fleck 2900S Plumbing Product water conditioner fails to regenerate?
    • H
      huntlindaAug 19, 2025
      If your Fleck Plumbing Product water conditioner fails to regenerate, it could be due to a few reasons. There might be an interruption in the electrical service to the unit, so ensure permanent electrical service by checking the fuse, plug, pull chain, or switch. The timer could be defective, requiring replacement. Alternatively, there might have been a power failure, so reset the time of day.
  • J
    Joshua ThompsonAug 21, 2025
    Why is my Fleck 2900S Plumbing Product unit using too much salt?
    • J
      James CookAug 21, 2025
      If your Fleck Plumbing Product unit is using too much salt, it could be due to an improper salt setting, so check the salt usage and salt setting. Another reason could be excessive water in the brine tank.
  • M
    Michael OsbornAug 25, 2025
    Why is my Fleck 2900S Plumbing Product delivering hard water?
    • W
      Wesley GrantAug 25, 2025
      Your Fleck Plumbing Product might be delivering hard water due to several reasons. The by-pass valve may be open, so ensure it is closed. The brine tank might be empty, so add salt, maintaining the level above the water. The injector screen could be plugged, requiring cleaning. There might be insufficient water flowing into the brine tank, so check the fill time and clean the brine line flow control if necessary. The hot water tank could have hardness, requiring repeated flushing. There may be a leak at the distributor tube, so inspect for cracks and check the O-ring and tube pilot. Finally, there could be an internal valve leak, which would necessitate replacing the seals and spacers and/or piston.
  • J
    James WellsAug 27, 2025
    Why is there excessive water in the Fleck 2900S Plumbing Product brine tank?
    • D
      Derrick WilcoxAug 28, 2025
      Excessive water in the brine tank of your Fleck Plumbing Product could be due to a plugged drain line flow control, so clean the flow control. It may also be due to a plugged injector system, in which case you should clean the injector and screen. Another possibility is that the timer isn't cycling, so replace the timer. Foreign material in the brine valve could also be the cause, so replace the brine valve seat and clean the valve. Finally, foreign material in the brine line flow control could be the culprit, so clean the brine line flow control.
  • D
    Danielle PatelAug 31, 2025
    How to fix loss of water pressure in my Fleck Plumbing Product?
    • S
      Sabrina RussellAug 31, 2025
      A loss of water pressure in your Fleck Plumbing Product could stem from a few issues. There might be iron buildup in the line to the water conditioner, so clean the line. Alternatively, there could be iron buildup in the water conditioner itself; clean the control and add mineral cleaner to the mineral bed, also increase the frequency of regeneration. Lastly, the inlet of the control could be plugged due to foreign material broken loose from pipes; remove the piston and clean the control.
  • J
    Jacob JonesSep 2, 2025
    Why does the Fleck Plumbing Product drain flow continuously?
    • K
      Kathleen JamesSep 3, 2025
      A continuous drain flow in your Fleck Plumbing Product could be caused by a valve that isn't programming correctly, so check the timer program and positioning of the control, and replace the power head assembly if it's not positioning properly. It could also be due to foreign material in the control, so remove the power head assembly and inspect the bore, remove any foreign material, and check the control in various regeneration positions. Finally, an internal control leak could be the cause, so replace the seals and piston assembly.
  • A
    Andre GillSep 6, 2025
    Why is there iron in the conditioned water from my Fleck 2900S?
    • J
      Jessica RogersSep 6, 2025
      If you're finding iron in the conditioned water from your Fleck Plumbing Product, it's likely due to a fouled mineral bed. To address this, check the backwash, brine draw, and brine tank fill. You might also need to increase the frequency of regeneration and the backwash time.
  • R
    Rose RamosSep 8, 2025
    Why is my Fleck Plumbing Product losing mineral through the drain line?
    • A
      Ashley SmithSep 9, 2025
      A loss of mineral through the drain line in your Fleck Plumbing Product could be due to air in the water system, so ensure that the well system has a proper air eliminator control and check for a dry well condition. It could also be due to an improperly sized drain line flow control, so check for the proper drain rate.
  • G
    greentimothySep 12, 2025
    Why does the Fleck 2900S Plumbing Product control cycle continuously?
    • A
      Angela PatelSep 12, 2025
      If your Fleck Plumbing Product control cycles continuously, it's likely due to a misadjusted, broken, or shorted switch. Determine if the switch or timer is faulty and replace it, or replace the complete power head.

Summary

Job Specification Sheet

Installation Instructions

Water Pressure and Electrical Requirements

Specifies minimum water pressure and uninterrupted AC supply for operation.

Plumbing and Location Guidelines

Timer Settings and Procedures

3200 Timer Setting Procedure

Guide for setting regeneration days, time, and manual regeneration.

3210 & 3220 Timer Settings

Procedure for setting time of day and manual regeneration for specific timers.

Regeneration Cycle Setting Procedure

How to adjust backwash, brine, rinse, and refill times for the regeneration cycle.

Troubleshooting Guide

Regeneration and Water Quality Issues

Troubleshooting for regeneration failure, hard water, and salt usage problems.

Water Pressure and Flow Issues

Diagnosing loss of water pressure and mineral loss through drain line.

Brine Tank and Iron Contamination

Addressing excessive brine tank water and iron in conditioned water.

Meter Control Service Hints

General service tips for meter control, including hard water and meter issues.

Water Conditioner Flow Diagrams

Downflow Water Conditioner Flow Diagrams

Diagrams illustrating water flow through the unit in various downflow positions.

Upflow Water Conditioner Flow Diagrams

Diagrams illustrating water flow through the unit in various upflow positions.

Flow Data and Injector Rates

1600 Series Injector Performance Data

1700 Series Injector Performance Data

Plumbing Diagrams

System #4 - Typical Single Tank Installation

System #5 - Interlock Twin Tank Installation

System #6 & #7 Twin Tank Installation

Wiring Diagrams

System #4 Wiring Diagrams

Wiring diagrams for immediate, delayed, and remote signal start valve configurations.

System #5 Wiring Diagrams

System #6 Wiring Diagrams

System #7 Wiring Diagrams

Fleck 2900S Specifications

General IconGeneral
Model2900S
TypeWater Softener Valve
Valve Size1 inch
Regeneration TypeMetered
Connection Size1 inch
Power Supply120V/60Hz or 220V/50Hz
Fast Rinse Flow Rate4.5 GPM
MaterialsNoryl
DimensionsVaries with configuration