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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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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 39 parts  |
Natural Orifice K14517
#19

Replacement parts diagram

Natural orifice

Part #K14517

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

Support Y12572
#23

Replacement parts diagram

Support

Part #Y12572

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

Gasket K10421
#33

Replacement parts diagram

Gasket

Part #K10421

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

Door Shield T17034
#4

Replacement parts diagram

Door shield

Part #T17034

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

Knob K13779
#5

Replacement parts diagram

Knob

Part #K13779

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

Duct Blower T16879
#30

Replacement parts diagram

Duct blower

Part #T16879

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

Thermostat K13602
#24

Replacement parts diagram

Thermostat

Part #K13602

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

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