Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Whirlpool
Reverse Osmosis System

Model # WHER18 Official Whirlpool reverse osmosis drinking water system

Here are the diagrams and repair parts for Official Whirlpool WHER18 reverse osmosis drinking water system, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 35 parts  |
Waterworks Reverse Osmosis System Water Push-in Fitting Kit 7209566
#25

Reverse osmosis drinking system diagram

Waterworks reverse osmosis system water push-in fitting kit

Part #7209566

This item is not returnable
$15.71
In Stock
Waterworks Reverse Osmosis System Storage Tank Fitting 7209574
#25A

Reverse osmosis drinking system diagram

Waterworks reverse osmosis system storage tank fitting

Part #7209574

This item is not returnable
$14.29 | 
12% OFF Phone Price : $16.29
In Stock
O-ring (black) 7234210
#5

Reverse osmosis drinking system diagram

O-ring (black)

Part #7234210

$30.58
In Stock
Reverse Osmosis System Storage Tank Fitting 7251034
#17

Reverse osmosis drinking system diagram

Reverse osmosis system storage tank fitting

Part #7251034

$44.49 | 
12% OFF Phone Price : $50.49
In Stock
Reverse Osmosis System Filter Housing 7221128
#1

Reverse osmosis drinking system diagram

Reverse osmosis system filter housing

Part #7221128

$76.47
In Stock
Reverse Osmosis System Water Supply Adapter 7227310
#19

Reverse osmosis drinking system diagram

Reverse osmosis system water supply adapter

Part #7227310

$27.53
In Stock
Waterworks Reverse Osmosis System Storage Tank 7205326
#16

Reverse osmosis drinking system diagram

Waterworks reverse osmosis system storage tank

Part #7205326

$102.89 | 
10% OFF Phone Price : $114.89
In Stock
Water Filtration System Filter O-ring 7223633
#2

Reverse osmosis drinking system diagram

Water filtration system filter o-ring

Part #7223633

This item is not returnable
$9.83
In Stock
Reverse Osmosis System Plunger And Spacer 7234325
#12

Reverse osmosis drinking system diagram

Reverse osmosis system plunger and spacer

Part #7234325

$30.58 | 
16% OFF Phone Price : $36.58
In Stock
Repl Elc Rg 7264841
#23

Reverse osmosis drinking system diagram

Repl elc rg

Part #7264841

$134.88
In Stock

Parts & More