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
Williams
Wall Heater

Model # 550DVX-R NAT Official Williams wall furnace

Here are the diagrams and repair parts for Official Williams 550DVX-R-NAT wall furnace, 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 71 parts  |
Module P321096

#51

All parts diagram

Module

Part #P321096

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

Thermostat P106400

#50

All parts diagram

Thermostat

Part #P106400

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

Cont Unit P271000

#51A

All parts diagram

Cont unit

Part #P271000

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

Cover Assembly 11A103

#12

All parts diagram

Cover assembly

Part #11A103

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

Trim Cover 11A40

#8

All parts diagram

Trim cover

Part #11A40

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

Furnace Burner Flame Sensor P271100

#45A

All parts diagram

Furnace burner flame sensor

Part #P271100

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

Furnace Bottom Front Panel 11B103

#11

All parts diagram

Furnace bottom front panel

Part #11B103

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

Burn Spacer P018100

#49

All parts diagram

Burn spacer

Part #P018100

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

Furnace Motor Isolator P022800

#20

All parts diagram

Furnace motor isolator

Part #P022800

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

Gasket P151900

#27

All parts diagram

Gasket

Part #P151900

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.…

Read more
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.…

Read more
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.…

Read more
Repair difficulty
Time required
 30 minutes or less

Articles and videos for electric wall ovens

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

Get tips on completing essential holiday cleaning tasks to brighten your home.…

Read more
How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Read more
Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

Read more

Parts & More