Williams
Wall Heater

Model # 25GV-5T NAT Official Williams wall furnace

Here are the diagrams and repair parts for Official Williams 25GV-5T-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  |

Thermocouple P042100

#16

All parts diagram

Thermocouple

Part #P042100

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

Generator P043800

#17

All parts diagram

Generator

Part #P043800

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

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

Gas Valve P295000A

#15B

All parts diagram

Gas valve

Part #P295000A

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

Valve P172100

#15D

All parts diagram

Valve

Part #P172100

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

Wire P321519

#35

All parts diagram

Wire

Part #P321519

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

Repair guides for rear-engine riding mowers

How to adjust the neutral control on a zero-turn riding mower

How to adjust the neutral control on a zero-turn riding mower

Adjust the neutral control if your zero-turn riding mower creeps forward or backward while both steering lap bars are in…

Repair difficulty
Time required
 45 minutes or less
How to remove the mower deck on a zero-turn riding mower

How to remove the mower deck on a zero-turn riding mower

Follow the steps in this guide to remove the mower deck for cleaning or inspection.…

Repair difficulty
Time required
 15 minutes or less
How to replace a cutting blade on a zero-turn riding mower

How to replace a cutting blade on a zero-turn riding mower

Replace a bent or dull cutting blade in 30 minutes or less. …

Repair difficulty
Time required
 15 minutes or less

Articles and videos for rear-engine riding mowers

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.…

Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect…

When to maintain a zero-turn lawn tractor

When to maintain a zero-turn lawn tractor

Learn what you can do to keep your zero-turn lawn tractor cutting well.…