Wall Heater

Model # 455 FEI NAT Official Williams wall furnace

Here are the diagrams and repair parts for Official Williams 455 FEI NAT wall furnace, as well as links to manuals and error code tables, if available.

By Schematic
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for
455 FEI NAT Wall Furnace
Thermostat P106400

#46

All parts diagram

Thermostat

Part #P106400

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

Liner Assembly 11B46

#2A

All parts diagram

Liner assembly

Part #11B46

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

Vent Cover 7B12

#15

All parts diagram

Vent cover

Part #7B12

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

Liner Assembly 7B79

#2B

All parts diagram

Liner assembly

Part #7B79

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

Furnace Burner Flame Sensor P271100

#47A

All parts diagram

Furnace burner flame sensor

Part #P271100

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

Baffle Hndl 11C63

#29

All parts diagram

Baffle hndl

Part #11C63

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

Wire P321523

#51B

All parts diagram

Wire

Part #P321523

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

Junction Box 7B29

#23

All parts diagram

Junction box

Part #7B29

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

Center Front Panel 11C59

#6B

All parts diagram

Center front panel

Part #11C59

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

Furnace Blower Fan Motor P321601

#27B

All parts diagram

Furnace blower fan motor

Part #P321601

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

Symptoms for gas chainsaws

Choose a symptom to see related chainsaw repairs.

Main causes: cracked fuel lines, leaky carburetor seals, damaged fuel tank cap, cracked fuel tank…

Main causes: bad gas, engine needs tune up, cracked fuel lines, dirty carburetor…

Main causes: stale gasoline, cracked fuel lines, dirty carburetor, damaged spark plug, worn piston rings…

Repair guides for gas chainsaws

These step-by-step repair guides will help you safely fix what’s broken on your chainsaw.

How to rebuild a chainsaw carburetor

How to rebuild a chainsaw carburetor

If your chainsaw isn't running well, a dirty carburetor could be the problem. You can take it apart, clean it and rebuil…

Repair difficulty
Time required
 15 minutes or less
How to replace a chainsaw carburetor

How to replace a chainsaw carburetor

If the engine won't start even though there's fuel in the chainsaw, the carburetor could be the problem. Sometimes, it's…

Repair difficulty
Time required
 15 minutes or less
How to replace chainsaw fuel lines

How to replace chainsaw fuel lines

The fuel line on a chainsaw becomes brittle over time and can crack. Replacing it doesn't require a lot of DYI experienc…

Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas chainsaws

Use the advice and tips in these articles and videos to get the most out of your chainsaw.

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.…

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.…

Chainsaw care and troubleshooting tips

Chainsaw care and troubleshooting tips

Learn the basics of taking care of your chainsaw and solving common problems.…