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Carrier
Heating & Cooling Combined Unit

Model # 48DUN036090300 Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 48DUN036090300 package unit, 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 147 parts  |
Control Board HK42FZ024
#65

Inside view diagram

Control board

Part #HK42FZ024

Replaced by #HK42FZ035

?
Manufacturer substitution
This part replaces HK42FZ024. Substitute parts can look different from the original.
$809.30 | 
$12.00 OFF Phone Price : $821.30
In Stock
Pcb Assembly HK38EA008
#74

Inside view diagram

Pcb assembly

Part #HK38EA008

Replaced by #HK38EA023

?
Manufacturer substitution
This part replaces HK38EA008. Substitute parts can look different from the original.
$971.19 | 
$12.00 OFF Phone Price : $983.19
In Stock
Cover Assembly 48GS400552
#15

Inside view diagram

Cover assembly

Part #48GS400552

$267.15
In Stock
Spud LH32RF086
#138

Burner assy diagram

Spud

Part #LH32RF086

$7.86
In Stock
Gas Valve EF33CW201
#136

Burner assy diagram

Gas valve

Part #EF33CW201

$274.95
In Stock
Grille 50SZ500126
#31

Front view/rear view diagram

Grille

Part #50SZ500126

$452.53
In Stock
Panel 48GS500235
#20

Front view/rear view diagram

Panel

Part #48GS500235

$293.29
In Stock
Furnace Burner 50DK407029
#133

Burner assy diagram

Furnace burner

Part #50DK407029

$40.33
In Stock
Oct Sensor HH79NZ088
#56A

Control box/control panel assy diagram

Oct sensor

Part #HH79NZ088

$133.82
In Stock
Switch,tem HH18HA545
#123

Gas section diagram

Switch,tem

Part #HH18HA545

$43.47
In Stock

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

Choose a symptom to see related heating and air conditioning system repairs.

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Why is my furnace not blowing hot enough?

Thermostat problem, clogged air filter, burner failure…

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Why isn’t my air conditioner cooling well?

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?

Main causes: errant thermostat settings, lack of electrical power, clogged drain line, wiring failure, control failure.…

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Why won't my furnace turn on?

Main causes: Errant thermostat settings, lack of power, bad interlock switches, lack of exhaust ventilation, wiring fail…

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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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Most common repair guides to help fix your heating & cooling combined units

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How to unclog the air conditioner drain line

The condensate drain line for your central air conditioner can clog with mold and mildew. Water will back up and start d…

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Repair difficulty
Time required
 15 minutes or less
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How to replace a heating and air conditioning system thermostat

The control thermostat for your HVAC system can stop working. This repair guide shows how to replace it.…

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Effective articles & videos to help repair your heating & cooling combined units

Use the advice and tips in these articles and videos to get the most out of your HVAC system.

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Maintaining your air conditioner

Maintaining your air conditioner

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