Wall Heater

Model # DWW-40E-NAT Official Suburban counterflow direct vent gas wall furnace

Here are the diagrams and repair parts for Official Suburban DWW-40E-NAT counterflow direct vent gas wall furnace, as well as links to manuals and error code tables, if available.

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Browse Parts for
DWW-40E-NAT Counterflow Direct Vent Gas Wall Furnace
Gasket P151900

#25

All parts diagram

Gasket

Part #P151900

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

Flue Extensn 11A97

#28

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Flue extensn

Part #11A97

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

Outer Casing 11C42-2

#1

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Outer casing

Part #11C42-2

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

Furnace Transformer P024200

#16

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Furnace transformer

Part #P024200

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

Flame Sensor P271100

#43

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Flame sensor

Part #P271100

Replaced by #1751-719

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Manufacturer substitution
This part replaces P271100. Substitute parts can look different from the original.
In Stock
Isolator P022800

#18

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Isolator

Part #P022800

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

Element Tube 11C37

#3

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Element tube

Part #11C37

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

Top Trim Cvr 11A40

#7

All parts diagram

Top trim cvr

Part #11A40

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

Air Inl Extn 11B49

#29

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Air inl extn

Part #11B49

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

Fan Blade P200600

#19

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Fan blade

Part #P200600

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

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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

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