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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  |
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

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

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

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Fan blade

Part #P320907

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 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

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

Furnace Temperature Limit Switch P321127

#33

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Furnace temperature limit switch

Part #P321127

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

Manifold P182400

#18

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Manifold

Part #P182400

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

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