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Carrier
Heating & Cooling Combined Unit

Model # 48DUN042090300 Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 48DUN042090300 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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Showing 10 of 147 parts  |
Switch,prs HK06WC061
#68

Control box/control panel assy diagram

Switch,prs

Part #HK06WC061

$62.29
In Stock
Pcb Assembly HK38EA008
#74

Inside view diagram

Pcb assembly

Part #HK38EA008

Replaced by #HK38EA023

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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
Payne Fitting 305843-201
#148

Inside view diagram

Payne fitting

Part #305843-201

$9.03
In Stock
Carrier Coil.evap Al/cu 50DT400054
#103

Evap coil diagram

Carrier coil.evap al/cu

Part #50DT400054

$2751.54
In Stock
Sensor 48GS400192
#128

Burner assy diagram

Sensor

Part #48GS400192

$26.54
In Stock
Top, Evap 48GS400244
#13

Outdoor motor/fan blade gap diagram

Top, evap

Part #48GS400244

$427.15
In Stock
Arm HC98ZZ250
#85

Blower assy diagram

Arm

Part #HC98ZZ250

This item is not returnable
$7.17
In Stock
Plate 50SS500879
#36

Gas section diagram

Plate

Part #50SS500879

$558.65
In Stock
Pre.switch HK02ZA407
#96

Evap coil diagram

Pre.switch

Part #HK02ZA407

$29.00
In Stock
Filter KH43LG073
#105

Evap coil diagram

Filter

Part #KH43LG073

$87.11
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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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 furnace burners won’t stay lit?

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

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

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