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Carrier
Heating & Cooling Combined Unit

Model # 50DU042300 Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 50DU042300 package unit, as well as links to manuals and error code tables, if available.

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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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Showing 10 of 90 parts  |
Filter KH43LG073
#NI

Package unit diagram

Filter

Part #KH43LG073

$91.47
In Stock
Insulation 50JS500032
#36

Package unit diagram

Insulation

Part #50JS500032

$30.27
In Stock
Insulation 48GS500307
#26

Package unit diagram

Insulation

Part #48GS500307

$63.60
In Stock
Button KA51PC175
#NI

Package unit diagram

Button

Part #KA51PC175

This item is not returnable
$5.26
In Stock
Fan LA01EA025
#90

Package unit diagram

Fan

Part #LA01EA025

$151.14
In Stock
Plug Assembly HY07MP261
#NI

Package unit diagram

Plug assembly

Part #HY07MP261

$108.12
In Stock
Grommet KA56GR140
#NI

Package unit diagram

Grommet

Part #KA56GR140

This item is not returnable
$3.11
In Stock
Panel 50JS500020
#35

Package unit diagram

Panel

Part #50JS500020

$297.89
In Stock
Panel 48GS500235
#20

Package unit diagram

Panel

Part #48GS500235

$293.29
In Stock
Mtr Mnt Band P251-0078
#NI

Package unit diagram

Mtr mnt band

Part #P251-0078

$24.58
In Stock

Most common symptoms to help you fix your heating & cooling combined units

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Why is my furnace not blowing hot enough?

Thermostat problem, clogged air filter, burner failure…

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Dirty air filter, clogged condenser coils, low refrigerant charge, faulty compressor…

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Why isn’t my air conditioner cooling?

Thermostat problems, bad compressor/condenser fan capacitor, lack of refrigerant, failed compressor…

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Why won't my air conditioner turn on?

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Why won't my furnace turn on?

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Why won’t my furnace burners won’t stay lit?

Dirty flame sensor, failed flame sensor, damaged burner, bad high limit switch…

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