Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Tips to find your model number
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  |
Thermocouple P254000

#45

All parts diagram

Thermocouple

Part #P254000

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

Module P321096

#51

All parts diagram

Module

Part #P321096

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

Baffle Hndl 11C63

#6

All parts diagram

Baffle hndl

Part #11C63

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

Owner's Manual P321004

#NI

All parts diagram

Owner's manual

Part #P321004

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

Tube Seal 11A41

#47

All parts diagram

Tube seal

Part #11A41

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

Furnace Fan Blade P200600

#21

All parts diagram

Furnace fan blade

Part #P200600

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

Articles and videos for countertop microwaves

How to tell if a fuse is blown

How to tell if a fuse is blown

Learn how to tell whether a fuse is blown…

Read more

Parts & More