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Williams
Wall Heater

Model # 400DVI NAT Official Williams wall furnace

Here are the diagrams and repair parts for Official Williams 400DVI-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 66 parts  |
Extension Assembly 11A97

#28

All parts diagram

Extension assembly

Part #11A97

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

Furnace Burner Pan Gasket, 44-in P101600

#46

All parts diagram

Furnace burner pan gasket, 44-in

Part #P101600

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

Fan Shroud 11B86

#6

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Fan shroud

Part #11B86

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

Furnace Fan Blade P200600

#19

All parts diagram

Furnace fan blade

Part #P200600

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

Burn Spacer P018100

#47

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Burn spacer

Part #P018100

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

Switch Box 11B05

#20

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Switch box

Part #11B05

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

Trim Cover 11A40

#7

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Trim cover

Part #11A40

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

Casing Assembly 11C42-2

#1

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Casing assembly

Part #11C42-2

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

Furnace Motor Isolator P022800

#18

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Furnace motor isolator

Part #P022800

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

Extension Assembly 11B49

#29

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Extension assembly

Part #11B49

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

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