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Williams
Wall Heater

Model # 20GV-5T NAT Official Williams wall furnace

Here are the diagrams and repair parts for Official Williams 20GV-5T-NAT 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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ALL PARTS
Showing 10 of 56 parts  |
Furnace 2-speed Fan Switch P320911A

#29

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Furnace 2-speed fan switch

Part #P320911A

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

Motor P320905

#25

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Motor

Part #P320905

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

Fan Blade P320907

#26

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Fan blade

Part #P320907

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

Furnace Pilot Burner P179900

#10

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Furnace pilot burner

Part #P179900

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

Gas Valve P295000A

#15B

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Gas valve

Part #P295000A

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

Lock Nut P026200

#11

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Lock nut

Part #P026200

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

Valve P172100

#15D

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Valve

Part #P172100

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

Thermocouple P042100

#16

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Thermocouple

Part #P042100

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

Generator P043800

#17

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Generator

Part #P043800

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

Repair guides for chest freezers

How to replace a freezer compressor start relay

How to replace a freezer compressor start relay

The compressor start relay starts the compressor. If the compressor won’t start, follow these steps to replace a defect…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a freezer temperature control thermostat

How to replace a freezer temperature control thermostat

The cold control thermostat regulates the freezer temperature. A defective cold control thermostat can prevent the compr…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a freezer lid gasket

How to replace a freezer lid gasket

The lid gasket prevents air and moisture from entering the freezer when the lid is closed. Follow these steps to replace…

Read more
Repair difficulty
Time required
 30 minutes or less

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Are DIY appliance repairs safe?

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