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Pentair FLECK 5600 - User Manual

Pentair FLECK 5600
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FLECK 5600
SERVICE MANUAL
waterpurification.pentair.com

Table of Contents

Questions and Answers

  • K
    Katelyn ChaseAug 16, 2025
    Why is my Pentair Water Filtration System delivering hard water?
    • F
      fbrownAug 16, 2025
      If your Pentair Water Filtration System delivers hard water, first, ensure the bypass valve is closed. Then, check the brine tank and add salt, maintaining the salt level above the water level. Inspect the injectors and screen for clogs and replace if necessary. Check the brine tank fill time and clean the brine line flow control if it's plugged. Repeatedly flush the hot water tank. Make sure the distributor tube isn't cracked and check the O-ring and tube pilot. Finally, consider replacing the seals, spacers, and/or piston due to a potential internal valve leak.
  • A
    apotterAug 19, 2025
    Why does my Pentair Water Filtration System use too much salt?
    • P
      Paige FoxAug 19, 2025
      If your Pentair Water Filtration System is using too much salt, start by checking both the salt usage and the salt setting to ensure they are properly configured. Also, check for excessive water in the brine tank.
  • A
    Alexis AdamsAug 21, 2025
    What to do if my Pentair Water Filtration System has a loss of water pressure?
    • C
      Cindy BlackwellAug 22, 2025
      If your Pentair Water Filtration System has a loss of water pressure, start by cleaning the line to the water conditioner to remove any iron build-up. If the issue persists, clean the control and add resin cleaner to the resin bed, while also increasing the frequency of regeneration. If the inlet of the control is plugged due to foreign material, remove the piston and clean the control.
  • J
    Jennifer LeeAug 25, 2025
    How to fix salt water in the service line of my Pentair Water Filtration System?
    • M
      mdavisAug 25, 2025
      If you find salt water in the service line of your Pentair Water Filtration System, the first thing you should do is clean the injector and replace the screen. If the issue continues, try replacing the timer. Also, inspect the brine valve and brine line flow control for any foreign material; clean or replace these parts as needed.
  • J
    janet73Aug 27, 2025
    What to do if Pentair Water Filtration System fails to regenerate?
    • M
      Miss Kimberly RiveraAug 28, 2025
      If your Pentair Water Filtration System fails to regenerate, ensure that it has permanent electrical service by checking the fuse, plug, pull chain, or switch. If the electrical service is fine, then the timer may be defective and require replacement. Also, in case of a power failure, reset the time of day.
  • K
    Kevin ScottAug 30, 2025
    Why does my Pentair Water Filtration System fail to draw brine?
    • A
      ashleycamposAug 30, 2025
      If your Pentair Water Filtration System fails to draw brine, the first step is to clean the drain line flow control. If that doesn't resolve the issue, clean or replace the injectors. Also, replace the screen. Ensure that the line pressure is adequate, maintaining a minimum of 20 psi (1.3 bar) at all times. If problems persist, consider changing the seals, spacers, and/or piston assembly due to a potential internal control leak.
  • T
    Tammy DixonSep 3, 2025
    What causes loss of resin through drain line in Pentair FLECK 5600 Water Filtration Systems?
    • M
      Mary PierceSep 3, 2025
      If you observe a loss of resin through the drain line in your Pentair Water Filtration System, make sure that your well system has proper air elimination control and check for a dry well condition.
  • H
    Holly RodriguezSep 6, 2025
    How to eliminate iron in conditioned water from Pentair Water Filtration System?
    • J
      Jamie MillerSep 6, 2025
      If you find iron in the conditioned water from your Pentair Water Filtration System, check the backwash, brine draw, and brine tank fill. You may need to increase the frequency of regeneration and backwash time to address a fouled resin bed.
  • L
    Luis CollinsSep 9, 2025
    Why does my Pentair Water Filtration System control cycle continuously?
    • J
      Jennifer GriffinSep 9, 2025
      If your Pentair Water Filtration System control cycles continuously, it is likely due to a faulty timer mechanism, which will require you to replace the timer.
  • R
    Raymond FowlerSep 12, 2025
    What to do if Pentair Water Filtration System drain flows continuously?
    • T
      Tommy PerezSep 12, 2025
      If the drain flows continuously in your Pentair Water Filtration System, first, remove the piston assembly and inspect the bore for any foreign material; remove any found material and check the control in various regeneration positions. If the issue continues, replace the seals and/or piston assembly due to a potential internal control leak or because the control valve is jammed in the Brine or Backwash position. If the timer motor has stopped or is jammed, replace the timer.

Summary

Installation

Model 5600 Installation and Start-Up Procedures

Model 5600 Backwash Filter Installation and Start-Up Procedures

Model 5600 Control Valve Drive Assembly

Service Instructions

Replace Time Brine Valve, Injectors and Screen

Replace Timer

Service Instructions Continued

Replace Piston Assembly

Replace Meter Cover and;or Impeller

Replace Seals and Spacers

Replace Meter

Troubleshooting

Softener fails to regenerate

Addresses issues when the softener does not initiate regeneration.

Softener delivers hard water

Troubleshooting steps for when the softener provides hard water.

Unit uses too much salt

Solutions for excessive salt consumption by the unit.

Loss of resin through drain line

Troubleshooting resin loss via the drain line.

Iron in conditioned water

Addressing iron contamination in conditioned water.

Excessive water in brine tank

Resolving issues with excess water in the brine tank.

Salt water in service line

Troubleshooting salty water in the service line.

Softener fails to draw brine

Diagnosing why the softener is not drawing brine.

Control cycles continuously

Fixing continuous cycling of the control unit.

General Service Hints for Meter Control

Softener delivers hard water

Model 5600 SF Troubleshooting

Filter fails to backwash

Filter bleeds iron

Loss of water pressure

Troubleshooting water pressure loss in SF models.

Loss of filter medium through drain line

Drain flows continuously

Pentair FLECK 5600 Specifications

General IconGeneral
BrandPentair
ModelFLECK 5600
CategoryWater Filtration Systems
LanguageEnglish

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