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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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

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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

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

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

Wire P321519

#35

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Wire

Part #P321519

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

Wire P321518

#34

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Wire

Part #P321518

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 P172200

#15E

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Valve

Part #P172200

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

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How to replace the compressor run capacitor in a top-freezer refrigerator

How to replace the compressor run capacitor in a top-freezer refrigerator

The run capacitor sends electric current to the compressor motor to help the motor run efficiently. Replace the run capa…

Repair difficulty
Time required
 15 minutes or less
How to replace the defrost thermistor in a top-freezer refrigerator

How to replace the defrost thermistor in a top-freezer refrigerator

The defrost thermistor attaches to the evaporator coil and measures the evaporator coil temperature during defrost.…

Repair difficulty
Time required
 15 minutes or less

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