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Preway
Space Heater

Model # DUN37A-4018 Official Preway gas burning unvented radiant heater

Here are the diagrams and repair parts for Official Preway DUN37A-4018 gas burning unvented radiant heater, 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 39 parts  |
Retainer T16853
#22

Replacement parts diagram

Retainer

Part #T16853

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

Radiant K13165
#25

Replacement parts diagram

Radiant

Part #K13165

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

Housing Y12573
#34

Replacement parts diagram

Housing

Part #Y12573

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

Natural Orifice K14517
#19

Replacement parts diagram

Natural orifice

Part #K14517

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

Leg K12352
#17

Replacement parts diagram

Leg

Part #K12352

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

Switch W/nut Y12580
#11

Replacement parts diagram

Switch w/nut

Part #Y12580

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

Door Spring T14313
#6

Replacement parts diagram

Door spring

Part #T14313

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

Space Heater Blower Wheel K14516
#35

Replacement parts diagram

Space heater blower wheel

Part #K14516

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

Grommet K5418

#NI

All parts diagram

Grommet

Part #K5418

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

Owner's Manual F2457

#NI

All parts diagram

Owner's manual

Part #F2457

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

Repair guides for bottom-mount refrigerators

How to replace a flipper mullion on a French-door refrigerator

How to replace a flipper mullion on a French-door refrigerator

If the flipper mullion breaks or its heater quits working, replace it in 15 minutes using these 4 easy steps.…

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Repair difficulty
Time required
 15 minutes or less
How to replace a door gasket in a French-door refrigerator

How to replace a door gasket in a French-door refrigerator

The door gasket, often called a door seal, seals the gap around the door to keep the cold air in and the warm air out. R…

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Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Read more
Repair difficulty
Time required
 15 minutes or less

Articles and videos for bottom-mount refrigerators

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How to Replace the Water Filter in a GE Profile Refrigerator

No matter what style GE Profile refrigerator you have, we can walk you through replacing the water filter.…

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How to Replace the Water Filter in a GE Refrigerator

How to Replace the Water Filter in a GE Refrigerator

See how to install the water filter on your GE refrigerator, no matter the filter type or refrigerator style.…

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How to Replace the Water Filter in a Maytag Refrigerator

How to Replace the Water Filter in a Maytag Refrigerator

No matter what style Maytag refrigerator you have, we can walk you through replacing the water filter.…

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