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Williams
Wall Heater

Model # 20GV-5 LPG Official Williams wall furnace

Here are the diagrams and repair parts for Official Williams 20GV-5-LPG 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  |
Thermocouple P042100

#16

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Thermocouple

Part #P042100

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

Thermostat P251000

#20

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Thermostat

Part #P251000

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

Wire Bridle P320912

#30

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Wire bridle

Part #P320912

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 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

Motor P320905

#25

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Motor

Part #P320905

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

Wire P321520

#36

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Wire

Part #P321520

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

Door 8300989

#1A

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Door

Part #8300989

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

Symptoms for gas ranges

Why isn't my range's gas burner heating properly?

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

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Why won't my range's gas burner spark or ignite?

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

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Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

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Repair difficulty
Time required
 15 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

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Repair difficulty
Time required
 60 minutes or less
How to replace a gas range oven control board

How to replace a gas range oven control board

These step-by-step instructions explain how to replace an oven control board on a gas range…

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Repair difficulty
Time required
 15 minutes or less

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