Whirlpool
Water Softener

Model #WHES20 Official Whirlpool water softener

Here are the diagrams and repair parts for Whirlpool WHES20 water softener, as well as links to manuals and error code tables, if available.

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Owner’s manualError Codes

Showing 10 of 101 parts

Water Softener Bypass Valve (replaces 3437, 3437299, 42-3437)#42

Resin & brine tanks/top cover Diagram

In Stock
$57.34 | 
8% OFF 
Phone Price: $62.34
Water Softener Clip (replaces 3442009, WS3X10006, WS60X10004)
In Stock
$21.73 | 
19% OFF 
Phone Price: $26.73
Water Softener Clip (replaces 3442009, WS3X10006, WS60X10004)#16

Resin & brine tanks/top cover Diagram

Clip

Part #1205500
Replaced by #7116713
?
Manufacturer substitution
This part replaces 1205500. Substitute parts can look different from the original.
BEST SELLER
In Stock
$21.73 | 
19% OFF 
Phone Price: $26.73
Water Softener Rotor Position Switch (replaces 7030705, 9001800, WS21X10003)#46

Valve body/rotor/disc Diagram

In Stock
$26.67 | 
16% OFF 
Phone Price: $31.67
Water Softener Ferrule Nut (replaces 7031450, WS03X10017, WS3X10017)#32

Valve body/rotor/disc Diagram

In Stock
$8.89 | 
10% OFF 
Phone Price: $9.89
Water Softener Flow Plug (replaces 521829, WS22X10020)#36

Valve body/rotor/disc Diagram

In Stock
$9.39 | 
10% OFF 
Phone Price: $10.39
Water Softener Flow Plug (replaces WS22X10021)#34

Valve body/rotor/disc Diagram

In Stock
$20.49 | 
20% OFF 
Phone Price: $25.49
Water Softener Nozzle and Venturi with Gasket (replaces 7113032, 7248007, WS8X10005, WS8X10006)#35

Valve body/rotor/disc Diagram

Nozzle kit

Part #7248007
Replaced by #7187772
?
Manufacturer substitution
This part replaces 7248007. Substitute parts can look different from the original.
BEST SELLER
In Stock
$39.95 | 
11% OFF 
Phone Price: $44.95
Water Softener Cam and Gear (replaces 7113927)#6

Valve body/rotor/disc Diagram

Gear cam

Part #7113927
Replaced by #7284964
?
Manufacturer substitution
This part replaces 7113927. Substitute parts can look different from the original.
BEST SELLER
In Stock
$24.99 | 
17% OFF 
Phone Price: $29.99
Water Softener Filter Screen (replaces 7090705, WS03X10013, WS3X10013)#37

Valve body/rotor/disc Diagram

Water softener filter screen (replaces 7090705, ws03x10013, ws3x10013)

Part #7146043
BEST SELLER
This item is not returnable
In Stock
$9.39 | 
10% OFF 
Phone Price: $10.39

Symptoms for water softeners

Choose a symptom to see related water softener repairs.

Main causes: faulty brine valve assembly, bad rotor valve
Main causes: lack of electrical power, bad power transformer, faulty timer
Main causes: clogged drain hose, faulty rotor valve, leaky rotor valve seals
Main causes: salt bridge inside the salt tank, bad timer, valve motor failure, faulty rotor valve, clogged venturi
Main causes: loose water line connections, cracked water-carrying components, bad rotor valve seals
Main causes: empty salt tank, salt bridge, depleted resin, clogged or damaged venturi, broken rotor position switch, failed timer
Main causes: broken resin tank screen, bad resin tank seals, cracked upper distributor in resin tank
Main causes: broken water flow meter, faulty timer, water flow to softener is bypassed

Repair guides for water softeners

These step-by-step repair guides will help you safely fix what’s broken on your water softener.

January 1, 2015
By Lyle Weischwill
How to replace a water softener venturi

The venturi valve in your water softener draws brine water from the salt tank to the resin tank for regeneration. Follow these steps to replace a damaged venturi.

Repair difficulty
Time required
 15 minutes or less
How to replace a water softener rotor position switch

The rotor position switch detects the position of the valve rotor. If the rotor position switch fails, follow these steps to replace it in about half an hour.

Repair difficulty
Time required
 30 minutes or less
January 1, 2015
By Lyle Weischwill
How to replace a water softener timer

The timer is the control board you use to program the water softener. If the timer isn’t accepting commands when you push the buttons or if the display won’t power up, replace the timer.

Repair difficulty
Time required
 15 minutes or less

Articles and videos for water softeners

Use the advice and tips in these articles and videos to get the most out of your water softener.

August 5, 2022

Introducing new technical repair content that we’re developing for the Sears Technical Institute

By Lyle Weischwill

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.

April 10, 2020

Cleaning your appliances after a drinking water advisory

By Wayne Archer

Find out how to clean and flush household appliances once a boil water advisory is lifted.

January 6, 2015

How to clean a water softener

By Lyle Weischwill

Keeping a water softener clean inside and out improves operation and appearance.