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Williams
Wall Heater

Model # 550DVI NAT Official Williams wall furnace

Here are the diagrams and repair parts for Official Williams 550DVI-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 71 parts  |
Furnace Burner Flame Sensor P271100

#45A

All parts diagram

Furnace burner flame sensor

Part #P271100

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

Liner Assembly 7B79

#4

All parts diagram

Liner assembly

Part #7B79

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

Cover Assembly 11A103

#12

All parts diagram

Cover assembly

Part #11A103

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

Fan Shroud 11B86

#7

All parts diagram

Fan shroud

Part #11B86

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

Furnace Bottom Front Panel 11B103

#11

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Furnace bottom front panel

Part #11B103

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

Furnace Motor Isolator P022800

#20

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Furnace motor isolator

Part #P022800

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

Gasket P151900

#27

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Gasket

Part #P151900

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

Trim Cover 11A40

#8

All parts diagram

Trim cover

Part #11A40

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

Burn Spacer P018100

#49

All parts diagram

Burn spacer

Part #P018100

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

Switch Box 11B05

#22

All parts diagram

Switch box

Part #11B05

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

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 45 minutes or less

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