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Williams
Wall Heater

Model # 20GV-3T NAT Official Williams wall furnace

Here are the diagrams and repair parts for Official Williams 20GV-3T-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  |
Generator P043800

#17

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Generator

Part #P043800

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

Thermostat P251000

#20

All parts diagram

Thermostat

Part #P251000

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

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

Motor P320905

#25

All parts diagram

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

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

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

Gas Valve P295000A

#15B

All parts diagram

Gas valve

Part #P295000A

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

Wire P321519

#35

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Wire

Part #P321519

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

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Time required
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