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Carrier
Heating & Cooling Combined Unit

Model # 48SD042090300 Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 48SD042090300 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 101 parts  |
Contactor HN51JD024
#NI

Front view/rear view diagram

Contactor

Part #HN51JD024

Replaced by #90-244

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Manufacturer substitution
This part replaces HN51JD024. Substitute parts can look different from the original.
BEST SELLER
$26.61 | 
18% OFF Phone Price : $32.61
In Stock
Insulation 48SS500601
#NI

Front view/rear view diagram

Insulation

Part #48SS500601

$39.82
In Stock
Furnace Blower Fan Motor HC43AE233
#NI

Front view/rear view diagram

Furnace blower fan motor

Part #HC43AE233

$585.07 | 
$12.00 OFF Phone Price : $597.07
In Stock
Furnace Burner 50DK407029
#NI

Front view/rear view diagram

Furnace burner

Part #50DK407029

$40.33
In Stock
Paint 313974-751
#NI

Front view/rear view diagram

Paint

Part #313974-751

$60.89
In Stock
Plate 50SS500879
#NI

Front view/rear view diagram

Plate

Part #50SS500879

$558.65
In Stock
Panel 48GS500235
#20

Front view/rear view diagram

Panel

Part #48GS500235

$293.29
In Stock
Bracket 48GS500186
#NI

Front view/rear view diagram

Bracket

Part #48GS500186

$24.46
In Stock
Insulation 48GS500302
#NI

Front view/rear view diagram

Insulation

Part #48GS500302

$103.78
In Stock
Scroll 48GS500242
#NI

Front view/rear view diagram

Scroll

Part #48GS500242

$233.73
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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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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How to replace a heating and air conditioning system thermostat

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

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