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Carrier
Heating & Cooling Combined Unit

Model # 48DT042090300 Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 48DT042090300 package unit, 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 132 parts  |
Contactor HN51KB024
#NI

Cabinet parts diagram

Contactor

Part #HN51KB024

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

Temp Swtch HH18HA211
#NI

Cabinet parts diagram

Temp swtch

Part #HH18HA211

$25.71
In Stock
Central Air Conditioner Filter Dryer KH43LG072
#NI

Cabinet parts diagram

Central air conditioner filter dryer

Part #KH43LG072

$120.16
| 
9% OFF Phone Price : $132.16
In Stock
Blower HD46RE120
#NI

Cabinet parts diagram

Blower

Part #HD46RE120

Replaced by #58MV660002

?
Manufacturer substitution
This part replaces HD46RE120. Substitute parts can look different from the original.
$1522.17
| 
$12.00 OFF Phone Price : $1534.17
In Stock
Control Board HK42FZ024
#NI

Cabinet parts 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
Switch,prs HK06WC061
#NI

Cabinet parts diagram

Switch,prs

Part #HK06WC061

$62.29
In Stock
Plate 50SS500879
#NI

Cabinet parts diagram

Plate

Part #50SS500879

$558.65
In Stock
Carrier Header Asy Distr No Met 50DT400061
#NI

Cabinet parts diagram

Carrier header asy distr no met

Part #50DT400061

$72.07
In Stock
Grille 50SZ500126
#31

Cabinet parts diagram

Grille

Part #50SZ500126

$452.53
In Stock
Carrier Coil.cond Al/cu 50DT400072
#100

Cabinet parts diagram

Carrier coil.cond al/cu

Part #50DT400072

$1600.60
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 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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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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Most common repair guides to help fix your heating & cooling combined units

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How to unclog the air conditioner drain line

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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

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