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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Browse Parts for
400DVI NAT Wall Furnace
Thermostat P106400

#48

All parts diagram

Thermostat

Part #P106400

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

Tubing Assembly 11C37

#3

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Tubing assembly

Part #11C37

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

Liner Assembly 11B46

#4

All parts diagram

Liner assembly

Part #11B46

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

Baffle Hndl 11C63

#5

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Baffle hndl

Part #11C63

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

Wire Bridle 31B036

#NI

All parts diagram

Wire bridle

Part #31B036

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

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

Repair guides for rear-tine tillers

How to replace a tiller drive belt

How to replace a tiller drive belt

The drive belt connects the engine to the transmission, which drives the tines and wheels. If the drive belt is worn an…

Repair difficulty
Time required
 15 minutes or less
How to replace the tines on a rear-tine tiller

How to replace the tines on a rear-tine tiller

Badly worn tines cut through the soil less effectively. If the tines are bent, dull or worn, follow these steps to repla…

Repair difficulty
Time required
 30 minutes or less

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