Williams
Wall Heater

Model # 400 DVX-R Official Williams wall furnace

Here are the diagrams and repair parts for Official Williams 400-DVX-R wall furnace, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 61 parts  |

Thermocouple P028500
#45

Replacement parts diagram

Thermocouple

Part #P028500

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

Thermostat P106400
#51

Replacement parts diagram

Thermostat

Part #P106400

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

Tube Seal 11A41
#47

Replacement parts diagram

Tube seal

Part #11A41

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

Burn Spacer P018100
#50

Replacement parts diagram

Burn spacer

Part #P018100

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

Furnace Transformer P024200
#18

Replacement parts diagram

Furnace transformer

Part #P024200

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

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

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

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

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower drive cable

How to replace a lawn mower drive cable

The drive cable engages the transmission to spin the drive wheels and move the mower across the grass. Replace the drive…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower starter rope

How to replace a lawn mower starter rope

These step-by-step instructions show how to replace a broken starter pull rope on a walk-behind lawn mower.…

Repair difficulty
Time required
 30 minutes or less

Articles and videos for gas walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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.…

How to remove a lawn mower blade using a removal tool

How to remove a lawn mower blade using a removal tool

Learn how a blade removal tool makes replacing the blade easier and safer…

Lawn mower won't start troubleshooting video: spark plug and ignition problems video

Lawn mower won't start troubleshooting video: spark plug and ignition problems video

Find out how to test and fix problems with the spark plug, stop wire, ignition coil and flywheel.…