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Pentair OMNIFILTER OM26K - User Manual

Pentair OMNIFILTER OM26K
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OM26K
Water Softening System
INSTALLATION INSTRUCTIONS
English .............................. Pages 2-19
Repair Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . .Page 13
Sistema de ablandamiento de agua
INSTRUCCIONES DE INSTALACIÓN
Español .......................... Páginas 20-37
Piezas de repuesto ..................... Página 32
Systeme d'adoucissement d'eau
INSTRUCTIONS D’INSTALLATION
Français ............................ Pages 38-55
Piéces de Rechange ..................... Page 50
Tools and Fittings Required
Pipe Cutter
Tubing Cutter
File
Pliers
Tape Measure
Soldering Tools
Lead Free Solder
Bucket
Towel
PTFE Pipe Tape
Adjustable Wrench
Tube 100% Silicone Grease
Outils et accessoires requis
Coupe-tuyau
Coupe-tube
Lime
Pince
Mètre ruban
Outillage de brasage
Brasure sans plomb
Seau
Serviette
Ruban pour tuyau en PTFE
Clé ajustable
Graisse de silicone à 100 %
pour tube
For further operating, installation, maintenance,
parts or assistance:
Call OMNIFILTER Customer Service at:
800.279.9404
Para obtener más información sobre el
funcionamiento, la instalación, el mantenimiento,
las piezas o para obtener asistencia:
Comuníquese con el Servicio de atención
al cliente de OMNIFILTER al: 800.279.9404
Pour de tout autre renseignement concernant
le fonctionnement, l’installation ou l’entretien:
Appelez le service à la clientèle en com-
posant le: 800.279.9404
Herramientas y accesorios
necesarios
Sierra para cortar tuberías
Cortatubos
Lima
Pinzas
Cinta métrica
Herramientas para soldar
Soldador libre de plomo
Cubeta
Toalla
Cinta de PTFE para tubería
Llave ajustable
Tubo de grasa 100% de silicona
Tested and Certied by WQA to NSF/
ANSI Standard 44 & 372 for softener
performance & lead free compliance and
CSA B483.1.
Probado y certicado por la WQA
según la norma 44 y 372 de NSF/ANSI
por el desempeño del suavizador y el
cumplimiento del no contenido de plomo
y CSA B483.1.
Testé et certié par WQA conforme
à la norme 44 et à la norme 372 de
NSF/ANSI pour la perfomance des
adoucisseurs et pour la conformité à
l'exemption de plomb et CSA B483.1.
13845 Bishops Dr., Suite 200, Brookfield, WI 53005
Phone: 800.279.9404 www.OMNIFILTER
.com

Table of Contents

Questions and Answers

  • M
    Michelle StokesAug 18, 2025
    Why is my Pentair Water Dispenser backwashing at a low rate?
    • N
      Nicole BookerAug 18, 2025
      If your Pentair Water Dispenser is backwashing or purging at an excessively low or high rate, it may be due to the absence of a drain line flow control. Install a drain line flow control. Alternatively, there may be a restriction in the drain line, so remove any blockage.
  • A
    Amanda HardingAug 20, 2025
    What to do if my Pentair OMNIFILTER OM26K control will not recharge automatically?
    • M
      Maria BondAug 21, 2025
      If your Pentair Water Dispenser control won't recharge automatically, ensure the AC adapter or motor is connected to provide power. If the connections are secure and the issue persists, the motor may be defective and require replacement. Also, the meter might be clogged with debris; in this case, remove and clean the meter. Note that the unit will recharge every 7 days regardless.
  • M
    matthew80Aug 23, 2025
    Why is there hard water leakage after recharge in my Pentair OMNIFILTER OM26K?
    • G
      Gina GutierrezAug 23, 2025
      If your Pentair Water Dispenser is experiencing hard water leakage after recharge, it could be due to a few reasons. First, ensure that the correct salt dosage was set and repeat the recharge. If the issue continues, check for leaks in the external bypass valve and replace it if necessary. Lastly, inspect the O-ring around the riser pipe for damage and replace it if needed.
  • I
    iperezAug 26, 2025
    What to do if Pentair Water Dispenser control will not draw salt?
    • S
      Suzanne HarveyAug 26, 2025
      If your Pentair Water Dispenser control will not draw salt, there might be a restriction in the drain line, so remove any blockage. Another possible cause is a plugged injector; in this case, clean the injector and screen. Also, check the valve discs for any debris preventing them from closing and remove any foreign matter.
  • K
    Karen BryanAug 30, 2025
    Why does my Pentair OMNIFILTER OM26K run out of conditioned water too quickly?
    • P
      Paula YoungAug 30, 2025
      If your Pentair Water Dispenser is running out of conditioned water between recharges, the control may be improperly programmed. Verify the salt dosage.
  • V
    victorcurtisSep 1, 2025
    What to do if my Pentair OMNIFILTER OM26K Water Dispenser is dripping water after recharge?
    • M
      Marisa WolfSep 1, 2025
      If you notice flowing or dripping water at the drain or salt line of your Pentair Water Dispenser after recharge, it could be caused by debris preventing the #4 valve disc from closing. Remove the debris. Alternatively, the #4 valve disc might be worn and need replacement.
  • Z
    Zachary CooperSep 3, 2025
    Why is the salt tank overflowing in my Pentair Water Dispenser?
    • G
      Guy KennedySep 3, 2025
      If your Pentair Water Dispenser's salt tank is overflowing, ensure all salt line connections are tight. Also, the drain line might be restricted with debris, so clean the drain control.
  • A
    Anthony BaileySep 5, 2025
    Why is there no conditioned water after recharge from my Pentair OMNIFILTER OM26K Water Dispenser?
    • R
      robertwilsonSep 6, 2025
      If your Pentair Water Dispenser is not providing conditioned water after recharge, ensure there is salt in the salt tank and add salt if necessary. Also, the injector might be plugged, so clean the injector and screen.
  • H
    Hector EstradaSep 8, 2025
    Why doesn't the flow indicator display service flow on my Pentair OMNIFILTER OM26K?
    • O
      oconnellalexaSep 8, 2025
      If the flow indicator on your Pentair Water Dispenser control does not display service flow, ensure the bypass valve is not in the bypass position and remove it from bypass. Also, check if the meter cable is dislodged from the valve and fully insert it. The meter might also be clogged with debris, so remove and clean the meter.
  • N
    Nicholas ScottSep 12, 2025
    Why is the salt draw intermittent in my Pentair OMNIFILTER OM26K Water Dispenser?
    • D
      Deborah AllenSep 12, 2025
      If your Pentair Water Dispenser is experiencing intermittent salt draw, it may be due to low water pressure. Maintain a minimum of 20 psi (1.3 bar) feed.

Summary

Equipment Installation

General Warnings and Safety Information

Crucial safety warnings and guidelines for electrical, mechanical, and general installation procedures.

System Recharge Cycles

Detailed explanation of the water softener's automatic recharge process stages.

Location Selection

Required conditions and considerations for choosing an optimal installation site for the softener.

Grounding the Plumbing

Explains the importance and method of electrically grounding the plumbing system.

Drain Line Flow Control

Instructions for assembling and installing the drain line flow control component.

Water Line Connection

Details on connecting the water supply lines to the bypass valve assembly.

Drain Line Connection

Step-by-step guide for connecting the softener's drain line to a suitable outlet.

Control Operation & Layout

Programming

Changing Settings

Step-by-step instructions on how to adjust time, salt, and water hardness settings.

Automatic Recharge

Explanation of how the system initiates recharge based on water usage and capacity settings.

Manual Regeneration

Quick Cycling the Control

Start-Up

Initial Operation Procedure

Steps to place the water softener into operation after installation.

Care and Use of Your Brine Tank

System Disinfection

Accessing History Values

Valve Assembly

Troubleshooting

Control Error Codes

Explains error codes displayed by the control unit and their corresponding solutions.

System Troubleshooting

Provides solutions for common operational problems like salt draw, water leakage, and flow issues.

Pentair OMNIFILTER OM26K Specifications

General IconGeneral
BrandPentair
ModelOMNIFILTER OM26K
CategoryWater Dispenser
LanguageEnglish

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