Wall Heater

Model # 30DV-3B NAT Official Williams wall furnace

Here are the diagrams and repair parts for Official Williams 30DV-3B NAT wall furnace, as well as links to manuals and error code tables, if available.

By Schematic
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for
30DV-3B NAT Wall Furnace
Thermostat P251000
Thermostat

Part #P251000

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

Spacer Plate 8B64
#8

Cabinet and body assembly diagram

Spacer plate

Part #8B64

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

Flue Extsn 6A190
#11A

Williams gravity direct vent wall furnace diagram

Flue extsn

Part #6A190

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

Bracket 6A24
#30

Williams gravity direct vent wall furnace diagram

Bracket

Part #6A24

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

Box Cover 6A23
#32

Williams gravity direct vent wall furnace diagram

Box cover

Part #6A23

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

Extn Assy 8A51
#11

Williams gravity direct vent wall furnace diagram

Extn assy

Part #8A51

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

Switch Box 6B33
#31

Williams gravity direct vent wall furnace diagram

Switch box

Part #6B33

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

Blower Wheel P130700
#23

Williams gravity direct vent wall furnace diagram

Blower wheel

Part #P130700

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

Elem Shield 8A72
#2

Cabinet and body assembly diagram

Elem shield

Part #8A72

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

Casing 8B62
#1

Cabinet and body assembly diagram

Casing

Part #8B62

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

Symptoms for gas ranges

Main causes: burner igniter switch failure, bad spark module, dirty or damaged spark electrode, wiring failure…

Main causes: gas supply problem, faulty pressure regulator, clogs in burner or orifice, control system failure, faulty t…

Repair guides for gas ranges

How to replace oven door hinges on a gas range

How to replace oven door hinges on a gas range

See how to replace the oven door hinges on a gas range yourself, in just 30 minutes.…

Repair difficulty
Time required
 15 minutes or less
How to replace a range spark igniter switch

How to replace a range spark igniter switch

Follow these steps to replace the spark igniter switch—sometimes called a burner switch or spark switch—on a gas or dual…

Repair difficulty
Time required
 60 minutes or less
How to replace a range spark igniter electrode

How to replace a range spark igniter electrode

Learn how to replace the spark igniter electrode for the surface burners on a gas range or dual-fuel range.…

Repair difficulty
Time required
 45 minutes or less

Articles and videos for gas ranges

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

Get tips on completing essential holiday cleaning tasks to brighten your home.…

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…