Williams
Wall Heater

Model # 25GV-3T NAT Official Williams wall furnace

Here are the diagrams and repair parts for Official Williams 25GV-3T-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 56 parts  |

Wire Bridle P320912

#30

All parts diagram

Wire bridle

Part #P320912

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

Furnace 2-speed Fan Switch P320911A

#29

All parts diagram

Furnace 2-speed fan switch

Part #P320911A

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

Furnace Pilot Burner P179900

#10

All parts diagram

Furnace pilot burner

Part #P179900

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

Fan Blade P320907

#26

All parts diagram

Fan blade

Part #P320907

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

Motor P320905

#25

All parts diagram

Motor

Part #P320905

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

Valve P173300

#15G

All parts diagram

Valve

Part #P173300

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

Gas Valve P295101A

#15A

All parts diagram

Gas valve

Part #P295101A

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

Gas Valve P295100A

#15

All parts diagram

Gas valve

Part #P295100A

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

Wire P321520

#36

All parts diagram

Wire

Part #P321520

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

Valve P172200

#15E

All parts diagram

Valve

Part #P172200

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

Symptoms for gas grills

Choose a symptom to see related gas grill repairs.

Main causes: nearly empty fuel tank, faulty pressure regulator, burner tube clogs, bad burner tube alignment to gas valv…

Main causes: empty fuel tank, tripped flow-limiting device on the pressure regulator, faulty manifold valves, burner tub…

Main causes: damaged or dirty flame tamers, corroded firebox, accumulated grease and debris in the grease pan…

Main causes: clogged burner tubes, cracked insulators on igniter electrodes, wiring failures, bad ignition module, manif…

Repair guides for gas grills

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

How to replace a gas grill wheel

How to replace a gas grill wheel

Replace a broken or damaged wheel in less than 15 minutes.…

Repair difficulty
Time required
 15 minutes or less
How to replace a gas grill igniter electrode

How to replace a gas grill igniter electrode

Replace the igniter electrode on your gas grill if it won’t light the burner.…

Repair difficulty
Time required
 15 minutes or less
How to replace a gas grill ignition module

How to replace a gas grill ignition module

Follow these steps to replace the ignition module if it doesn't produce a spark. …

Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas grills

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

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.…

How to convert a propane grill to natural gas video

How to convert a propane grill to natural gas video

A conversion kit and a few simple tools are all you need.…