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Kenmore 300 Series - User Manual

Kenmore 300 Series
48 pages
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• Warranty
• Installation
• Start Up / Setting Timer
• How It Works
• Care Of
• Specifications
• Repair Parts
Water Softeners
With Deluxe Valve
Sears, Roebuck and Co., 3333 Beverly Road, Hoffman Estates, IL 60179 USA
www.KenmoreWater.com
Repair or Parts ? Call toll free 1-800-366-7278
See back cover for other Sears service numbers.
Caution:
Read and follow all safety rules and operating
instructions before first use of this product.
MODEL NOS.
300 Series 625.383060
300 Series 625.393060
OWNER'S MANUAL
PRINTED IN U.S.A. Part No. 7282580 (Rev. D 10/18/06)
SAVE THIS MANUAL
Use the plastic bag and tie provided, to hang manuals nearby
the softener for future reference.
Questions ?
Visit www.KenmoreWater.com
or call toll free 1-800-426-9345 (M - F, 7AM - 8 PM CST)
Systems Tested and Certified by NSF International against
NSF/ANSI Standard 44 for softener performance.

Questions and Answers

  • N
    Nicole JoyceJul 26, 2025
    What to do if the brine tank of my Kenmore Water Dispenser is flooded?
    • D
      Donald WattsJul 26, 2025
      If the brine tank of your Kenmore Water Dispenser is flooded, the cause might be a restricted drain line; check for any kinks, bends, or obstructions. A plugged or dirty nozzle and venturi can also lead to this issue; disassemble and clean or replace any damaged parts. Lastly, examine the valve rotor-disc and seals for scratches or grooves, and replace them if necessary.
  • M
    Matthew WatkinsAug 2, 2025
    Why does the water from my Kenmore 300 Water Dispenser taste salty after regeneration?
    • T
      Thomas PayneAug 2, 2025
      If you notice salty-tasting water immediately after regeneration with your Kenmore Water Dispenser, the drain line may be restricted. Check the drain line for kinks, bends, or obstructions.
  • B
    Brooke HowardAug 10, 2025
    Why is my Kenmore 300 Water Dispenser not softening water?
    • L
      Lisa WolfAug 10, 2025
      If your Kenmore Water Dispenser isn't producing soft water, several factors could be at play. First, ensure the salt storage tank isn't empty or experiencing a salt bridge; replenish the salt or break the bridge. Next, verify that the dispenser is receiving power by checking the transformer, power cable, fuse, and circuit breaker. Also, ensure the manual bypass valve is correctly positioned for service. A dirty or damaged nozzle venturi can also cause this issue, so inspect and clean or replace it. Finally, confirm that the valve drain hose is free of kinks, bends, and is not elevated too high above the softener.
  • S
    Stephanie BradleyAug 18, 2025
    Why is the water from my Kenmore Water Dispenser sometimes hard?
    • J
      Jordan RamirezAug 18, 2025
      If the water from your Kenmore Water Dispenser is sometimes hard, it could be due to several reasons. The hardness number setting might be too low; check and reset it according to your water analysis report. Avoid using hot water while the softener is regenerating, as the water heater refills with hard water during this process. Also, there may be an increase in the grains of hardness in your water supply. In this case, get a new water analysis and adjust the hardness number setting accordingly.

Summary

Warranty Information

One Year Limited Warranty

Details coverage for defects in material and workmanship within one year.

Ten Year Limited Warranty Against Leaks

Covers leaks in the tank or drum for ten years, subject to conditions.

Warranty Disclaimers and Limitations

Outlines disclaimers for implied warranties and limits liability for damages.

Safety Guidelines

Installation Guide

Planning Your Installation

Covers site selection, tools, and piping plans before installation.

Installing the Bypass Valve

Step-by-step guide to assemble and install the bypass valve or adaptors.

Positioning and Connecting Pipes

Instructions for placing the unit and connecting inlet/outlet pipes.

Connecting Drain Hoses

Details on connecting drain tubing for the valve and salt tank overflow.

Performing a Leak Test

Procedure to check for leaks after installation and before normal operation.

Electrical Connections and Grounding

Covers grounding clamps, power outlet, and transformer connection.

Final Installation Steps

Instructions for replacing covers and restarting the water heater.

Programming and Setup

Programming the Timer

Steps to set the current time, water hardness, and regeneration time.

Sanitizing the Water Softener

Procedure to clean and sanitize the unit using bleach.

Adding Salt to the Tank

Guidance on selecting and adding salt, including KCI considerations.

Advanced Timer Features

Explains extra recharge options, salt monitor, efficiency mode, and error codes.

Operation and Maintenance

Understanding Softener Operation

Explains the service and regeneration cycles, including water flow.

Caring for Your Water Softener

Covers salt bridge formation, cleaning the nozzle/venturi, and iron removal.

Troubleshooting and Technical Information

Troubleshooting Common Problems

Lists common problems with causes and corrections for the water softener.

Product Specifications

Provides technical data on dimensions, water supply, and salt requirements.

Service Technician Information

Wiring schematic, faceplate layout, and diagnostic procedures for technicians.

Parts and Support

Exploded View of Components

Diagram showing all parts of the water softener assembly.

Water Softener Parts List

Detailed list of part numbers and descriptions for the water softener.

Sears Service and Support

Contact information for repair, parts, and maintenance agreements.

Kenmore 300 Series Specifications

General IconGeneral
BrandKenmore
Model Series300 Series
CategoryWater Dispenser
Child Safety LockYes
MaterialPlastic

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