Universal Rundle
Plumbing

Model # 4028 Official Universal Rundle toilet

Here are the diagrams and repair parts for Official Universal Rundle 4028 toilet, 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.

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 24 parts  |

Washer A252
#19

Replacement parts diagram

Washer

Part #A252

The manufacturer no longer makes this part, and there's no substitute part

Washer A340
#22

Replacement parts diagram

Washer

Part #A340

The manufacturer no longer makes this part, and there's no substitute part

Plunger A801
#4

Replacement parts diagram

Plunger

Part #A801

The manufacturer no longer makes this part, and there's no substitute part

Push Button 351
#30A

Replacement parts diagram

Push button

Part #351

The manufacturer no longer makes this part, and there's no substitute part

Connection Bolt M405
#18

Replacement parts diagram

Connection bolt

Part #M405

The manufacturer no longer makes this part, and there's no substitute part

Coupling Nut A550
#23

Replacement parts diagram

Coupling nut

Part #A550

The manufacturer no longer makes this part, and there's no substitute part

Head A803
#2

Replacement parts diagram

Head

Part #A803

The manufacturer no longer makes this part, and there's no substitute part

Ballcock 106
#32

Replacement parts diagram

Ballcock

Part #106

The manufacturer no longer makes this part, and there's no substitute part

Push Button 333
#30

Replacement parts diagram

Push button

Part #333

The manufacturer no longer makes this part, and there's no substitute part

Hex Nut M407
#25

Replacement parts diagram

Hex nut

Part #M407

The manufacturer no longer makes this part, and there's no substitute part

Repair guides for electric wall ovens

How to replace a wall oven broil element

How to replace a wall oven broil element

Follow these step-by-step instructions to replace the broiler element in an electric oven.…

Repair difficulty
Time required
 15 minutes or less
How to replace a temperature sensor on an electric wall oven

How to replace a temperature sensor on an electric wall oven

These step-by-step instructions guide you through replacing a temperature sensing probe on an electric wall oven.…

Repair difficulty
Time required
 15 minutes or less
How to replace a wall oven hidden bake element

How to replace a wall oven hidden bake element

These step-by-step instructions guide you through replacing the hidden bake element.…

Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your air handlers

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

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

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