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Carrier
Heating & Cooling Combined Unit

Model # 48SDN030040300 Official Carrier package unit

Here are the diagrams and repair parts for Official Carrier 48SDN030040300 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 100 parts  |
Contactor HN51KB024
#NI

Cabinet parts diagram

Contactor

Part #HN51KB024

Replaced by #90-244

?
Manufacturer substitution
This part replaces HN51KB024. Substitute parts can look different from the original.
$26.61 | 
18% OFF Phone Price : $32.61
In Stock
Central Air Conditioner Condenser Fan Motor HC35GE235
#94

Cabinet parts diagram

Central air conditioner condenser fan motor

Part #HC35GE235

$509.50
In Stock
Motor HC30CK234
#NI

Cabinet parts diagram

Motor

Part #HC30CK234

$344.15
In Stock
Payne Grille Assembly 48GS400387
#5

Cabinet parts diagram

Payne grille assembly

Part #48GS400387

$140.36
In Stock
Grommet KA56GR140
#NI

Cabinet parts diagram

Grommet

Part #KA56GR140

This item is not returnable
$2.97
In Stock
Condenser Coil 50SD400059
#100

Cabinet parts diagram

Condenser coil

Part #50SD400059

$1937.35
In Stock
Wire,ignit 50HJ403024
#NI

Cabinet parts diagram

Wire,ignit

Part #50HJ403024

$43.53
In Stock
Partition 48GS500006
#NI

Cabinet parts diagram

Partition

Part #48GS500006

$219.64
In Stock
Grommet KA56DS001
#NI

Cabinet parts diagram

Grommet

Part #KA56DS001

This item is not returnable
$2.63
In Stock
Grille 50HJ501200
#31

Cabinet parts diagram

Grille

Part #50HJ501200

$163.72
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

These step-by-step repair guides will help you safely fix what’s broken on your HVAC system.

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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
How to replace the furnace flame sensor

How to replace the furnace flame sensor

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How to replace a heating and air conditioning system thermostat

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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Repair difficulty
Time required
 30 minutes or less

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

Learn how to maintain your central air conditioner to keep it running smoothly all summer long.…

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

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