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 # 400 DVI Official Williams wall furnace

Here are the diagrams and repair parts for Official Williams 400-DVI 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 65 parts  |
Furnace Burner Flame Sensor P271100
#48

Replacement parts diagram

Furnace burner flame sensor

Part #P271100

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

Casing Assembly 11C42-2
#1

Replacement parts diagram

Casing assembly

Part #11C42-2

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

Tube Seal 11A41
#45

Replacement parts diagram

Tube seal

Part #11A41

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

Tubing Assembly 11C37
#3

Replacement parts diagram

Tubing assembly

Part #11C37

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

Kenmore Furnace Blower Fan Wheel P014300
#21A

Replacement parts diagram

Kenmore furnace blower fan wheel

Part #P014300

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

Gasket P151900
#27

Replacement parts diagram

Gasket

Part #P151900

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

Liner Assembly 11B46
#4

Replacement parts diagram

Liner assembly

Part #11B46

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

Trim Cover 11A40
#8

Replacement parts diagram

Trim cover

Part #11A40

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

Furnace Motor Isolator P022800
#20

Replacement parts diagram

Furnace motor isolator

Part #P022800

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

Furnace Fan Blade P200600
#21

Replacement parts diagram

Furnace fan blade

Part #P200600

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

Repair guides for front-engine lawn tractors

How to replace a ground drive belt on a riding lawn mower

How to replace a ground drive belt on a riding lawn mower

Replace the ground drive belt if it's broken or too worn to spin the transaxle pulley.…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a blade clutch cable on a riding lawn mower

How to replace a blade clutch cable on a riding lawn mower

If the blades don't spin on your riding mower when you shift the lever, the blade clutch cable could be broken. Here’s h…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower blade drive belt

How to replace a riding lawn mower blade drive belt

Replace the blade drive belt if it's broken or won't spin the cutting blades because of wear.…

Read more
Repair difficulty
Time required
 45 minutes or less

Articles and videos for front-engine lawn tractors

Should I get an electric riding mower?

Should I get an electric riding mower?

Get help deciding whether to make the switch to a battery-powered riding mower…

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