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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Showing 10 of 71 parts  |

Wire Bridle 31B036

#NI

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Wire bridle

Part #31B036

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

Extension Assembly 11B49

#31

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Extension assembly

Part #11B49

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

Center Front Panel 11C59

#10

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Center front panel

Part #11C59

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

Furnace Burner Pan Gasket, 44-in P101600

#48

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Furnace burner pan gasket, 44-in

Part #P101600

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

Extension Assembly 11A97

#30

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Extension assembly

Part #11A97

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

Fan Shroud 11B86

#7

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Fan shroud

Part #11B86

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

Casing Assembly 11C42-1

#1

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Casing assembly

Part #11C42-1

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

Liner Assembly 7B79

#4

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Liner assembly

Part #7B79

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

Cover Assembly 11A103

#12

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Cover assembly

Part #11A103

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

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