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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  |
Thermocouple P254000

#45

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Thermocouple

Part #P254000

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

Switch Box 11B05

#22

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Switch box

Part #11B05

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

Tubing Assembly 11C37

#3

All parts diagram

Tubing assembly

Part #11C37

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 Transformer P024200

#18

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Furnace transformer

Part #P024200

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

Furnace Burner Pan Gasket, 44-in P101600

#48

All parts diagram

Furnace burner pan gasket, 44-in

Part #P101600

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

Owner's Manual P321004

#NI

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Owner's manual

Part #P321004

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

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